A. Schild (AS) Calibre 1900 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1900 is a vintage Swiss manual-wind mechanical movement appreciated for its reliability, robust construction, and classic design. Produced primarily around the 1970s, it features a sweep second hand, 17 to 21 jewel variants, and operates at a frequency of 21,600 vibrations per hour (3 Hz), offering a power reserve of about 48 hours. With a diameter of 25.60 mm (11.5 lignes) and a height of approximately 4.00 mm, it is a popular calibre among collectors and watchmakers restoring vintage wristwatches.
Key Technical Highlights

Calibre: AS 1900

Movement Type: Manual winding, mechanical with sweep second

Diameter: 25.60 mm (11.5 lignes)

Height: 4.00 mm

Jewels: 17 or 21 synthetic ruby jewels

Beat Rate: 21,600 vibrations per hour (vph)

Power Reserve: Approximately 48 hours

Lift Angle: 52°

Functions: Hours, minutes, sweep seconds

Shock Protection: Vintage anti-shock system

Common Spare Parts and Components

Mainspring and Barrel: Original or new-old-stock (NOS) mainsprings and barrels are critical for stable and steady power delivery.

Balance Wheel and Balance Staff: Precision components vital for accurate timekeeping and shock resistance; exact fits are essential.

Pallet Fork and Escape Wheel: Wear-prone escapement parts; sourcing genuine or NOS replacements helps maintain movement smoothness.

Gear Train Wheels (Minute, Third, Fourth): Frequently replaced due to wear or damage; typically harvested from donor movements or NOS stock.

Setting Mechanism (Stem, Crown, Levers, Springs): Precise fitting components ensure smooth winding and time-setting functions. Part No. 401 winding stem is often compatible.

Jewels: Synthetic ruby bearings arranged to minimize friction; replacements must match original layout for movement integrity.

Hands and Dial Components: Period-appropriate parts preserve the vintage aesthetic and collector appeal.

Other Notable Parts: Barrel bridge, balance cock, pallet cock, regulator for adjustable stud holder, cannon pinion varieties, yoke, ratchet wheel, and click spring.

Sourcing and Maintenance Tips

Use original, NOS, or donor parts specifically identified for the AS 1900 calibre to ensure compatibility and maintain movement quality.

Handle delicate components like the balance assembly and escapement parts carefully during service.

Apply modern synthetic watch oils sparingly, following vintage lubrication standards for optimal longevity and performance.

Always verify the calibre number stamped on the main plate before ordering parts to avoid mismatches.

Donor AS 1900 movements can be invaluable sources for rare or worn components.

Why AS 1900 Spare Parts Matter

Authentic parts preserve the calibre’s accuracy, mechanical reliability, and smooth manual winding operation, crucial for dependable vintage watch performance.

Proper restoration with genuine components safeguards the historical significance and collector value of this classic Swiss hand-wound movement.

Access to detailed technical documentation and an active watchmaker community supports expert repairs and efficient parts sourcing.

Maintaining the A. Schild AS 1900 calibre with high-quality, authentic spare parts is essential for ensuring these vintage manual-wind watches continue to run reliably while honoring their place in Swiss horological history.

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A. Schild (AS) Calibre 1901 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1901 is a vintage Swiss manual-wind mechanical movement renowned for its precision, reliability, and classic design. It features sweep seconds and a date complication, making it a practical yet elegant choice in mid-20th-century wristwatches. The calibre is a favored movement among collectors and watchmakers for restoration projects.
Key Technical Highlights

Calibre: AS 1901

Movement Type: Manual winding, mechanical with sweep seconds and date

Diameter: 25.60 mm (11.5 lignes)

Height: 4.00 mm

Jewels: 17 or 21 synthetic ruby jewels

Beat Rate: 21,600 vibrations per hour (3 Hz)

Power Reserve: Approximately 48 hours

Functions: Hours, minutes, sweep seconds, date window

Shock Protection: Vintage anti-shock system (likely Incabloc or equivalent)

Common Spare Parts and Components

Mainspring and Barrel: Critical for steady power delivery; use original or new-old-stock (NOS) mainsprings for durability and correct torque.

Balance Wheel and Balance Staff: Precision parts crucial for accurate timekeeping and shock resistance; must fit exactly for reliable performance.

Pallet Fork and Escape Wheel: Wear-prone escapement components; sourcing genuine or NOS replacements ensures smooth operation.

Gear Train Wheels: Includes minute, third, and sweep second wheels; often replaced due to wear, typically sourced from donor movements or NOS stock.

Setting Mechanism (Stem, Crown, Levers, Springs): Essential for smooth winding, time setting, and date adjustment; winding stems such as Part No. 401 are commonly compatible.

Jewels: Synthetic ruby bearings arranged to reduce friction; replacements must match the original layout precisely.

Hands and Dial Components: Period-appropriate parts preserve vintage look and maintain collector value.

Date Mechanism Components: Including date indicator guard, intermediate date wheel, date jumper springs, and unlocking yokes for date function reliability.

Sourcing and Maintenance Tips

Always use original, NOS, or donor parts specifically marked for AS 1901 to ensure full compatibility and maintain movement integrity.

Handle delicate components such as the balance assembly, escapement, and setting mechanisms with care during servicing.

Apply modern synthetic watch oils sparingly, adhering to vintage lubrication standards for optimal performance and longevity.

Verify the calibre number stamped on the main plate before ordering parts to prevent mismatches.

Donor AS 1901 movements are valuable sources of rare or worn parts, especially for the date mechanism and gear trains.

Why AS 1901 Spare Parts Matter

Genuine parts preserve the calibre’s accuracy, mechanical reliability, and smooth manual winding operation, crucial for dependable vintage watch function.

Proper restoration using authentic components helps maintain the historical significance and collector value of these classic Swiss manual-wind watches.

Well-documented technical specifications and active watchmaker communities make parts sourcing and expert servicing more efficient.

Maintaining the A. Schild AS 1901 calibre with quality, authentic spare parts is essential to keep these vintage watches running reliably while honoring their Swiss horological heritage.

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A. Schild (AS) Calibre 1902 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1902 is a vintage Swiss automatic mechanical movement produced primarily around the late 1960s to early 1970s. It is known for its reliable performance, practical complications including sweep seconds and day-date display with quickset functionality, and robust build quality. This calibre is favored by collectors and watchmakers for restoring classic automatic wristwatches.
Key Technical Highlights

Calibre: AS 1902

Movement Type: Automatic, mechanical with sweep seconds

Diameter: 26 mm (11.5 lignes)

Height: 5.2 mm

Jewels: 17, 21, or 25 synthetic ruby jewels

Beat Rate: 21,600 vibrations per hour (3 Hz)

Power Reserve: Approximately 44 hours

Functions: Hours, minutes, sweep seconds, day and date complications with quickset by repeated crown pushing

Shock Protection: Vintage anti-shock system (commonly Incabloc)

Lift Angle: 52°

Self-Winding: Sophisticated excenter self-winding mechanism with single gear stage

Common Spare Parts and Components

Mainspring and Barrel: Original or new-old-stock (NOS) mainsprings recommended for steady power delivery and longevity.

Balance Wheel and Balance Staff: Precision components vital for accurate timekeeping and shock resistance; parts must fit precisely for reliability.

Rotor Assembly and Bearings: Crucial for efficient automatic winding; worn or damaged components need genuine or NOS replacements.

Pallet Fork and Escape Wheel: Escapement parts prone to wear; sourcing authentic parts ensures smooth operation.

Gear Train Wheels (Minute, Third, Fourth): Often replaced due to wear; sourced from donor movements or NOS stock.

Setting Mechanism (Stem, Crown, Levers, Springs): Accurate fitting parts necessary for smooth winding, time, day, and date settings.

Jewels: Synthetic ruby bearings positioned to reduce friction; replacements must precisely match the original layout.

Hands and Dial Components: Period-correct parts maintain vintage authenticity and collector value.

Sourcing and Maintenance Tips

Use original, NOS, or donor parts specifically marked for AS 1902 to ensure compatibility and preserve movement integrity.

Handle delicate parts such as balance assemblies and escapement components with care during servicing.

Apply modern synthetic watch oils sparingly following vintage lubrication standards to optimize performance and longevity.

Always verify the calibre number stamped on the main plate before ordering parts to avoid mismatches.

Donor AS 1902 movements are valuable sources for rare or worn components.

Why AS 1902 Spare Parts Matter

Genuine parts preserve the calibre’s accuracy, mechanical reliability, and efficient automatic winding, essential for dependable vintage watch operation.

Proper restoration with authentic components maintains the historical significance and collector value of these classic Swiss automatic wristwatches.

Detailed technical documentation and an active watchmaker community support expert servicing and efficient parts sourcing.

Maintaining the A. Schild AS 1902 calibre with quality, authentic spare parts is crucial for ensuring these vintage automatics continue to perform reliably while honoring their place in Swiss horological heritage.

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Stem, Crown, Hands & Spares might be available for this movement.

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A. Schild (AS) Calibre 1903 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1903 is a vintage Swiss automatic mechanical movement appreciated for its reliable performance, practical complications, and robust construction. Produced primarily around the 1970s, this calibre features automatic winding with a sweep second and a date complication, which is set by changing the time between 8 PM and midnight, offering a practical quickset date functionality.
Key Technical Highlights

Calibre: AS 1903

Movement Type: Automatic, mechanical with sweep seconds

Diameter: 25.60 mm (11.5 lignes)

Height: Approximately 5.20 mm

Jewels: 17, 21, or 25 synthetic ruby jewels

Beat Rate: 21,600 vibrations per hour (3 Hz)

Power Reserve: Approximately 44 hours

Functions: Hours, minutes, sweep seconds, date (set by changing time between 20:00 and 24:00)

Shock Protection: Vintage anti-shock system (commonly Incabloc or equivalent)

Rotor: Ball-bearing type for smooth and efficient automatic winding

Lift Angle: Approximately 52°

Common Spare Parts and Components

Mainspring and Barrel: Key for consistent power delivery; original or new-old-stock (NOS) mainsprings ensure accurate torque and durability.

Balance Wheel and Balance Staff: Precision parts critical for accurate timekeeping and shock resistance; must be exact fit for reliable operation.

Rotor Assembly and Bearings: Crucial for efficient automatic winding; worn components require genuine or high-quality NOS replacement parts.

Pallet Fork and Escape Wheel: Wear-prone escapement parts; sourcing original or NOS components maintains smooth and reliable operation.

Gear Train Wheels (Minute, Third, Fourth): Commonly replaced due to wear; usually sourced from donor movements or NOS stock.

Setting Mechanism (Stem, Crown, Levers, Springs): Precise fitting parts necessary for smooth winding, time setting, and date adjustments. Winding stem Part No. 401 is compatible.

Jewels: Synthetic ruby bearings arranged to minimize friction; replacements must match original layout to preserve movement integrity.

Hands and Dial Components: Period-correct parts maintain vintage authenticity and enhance collector appeal.

Sourcing and Maintenance Tips

Always use original, NOS, or donor parts specifically designated for AS 1903 to guarantee compatibility and preserve movement quality.

Handle delicate components such as balance assemblies, escapement parts, and rotor carefully during servicing to avoid damage.

Apply modern synthetic watch oils sparingly, following vintage lubrication protocols for optimal longevity and performance.

Verify the calibre number stamped on the movement main plate before ordering parts to avoid mismatches or incompatibilities.

Donor AS 1903 movements provide valuable sources for rare or worn components and parts.

Why AS 1903 Spare Parts Matter

Genuine parts preserve the calibre’s accuracy, reliable automatic winding, and efficient date function, vital for dependable vintage watch operation.

Proper restoration with authentic components supports the historical significance and collector value of these classic Swiss automatic wristwatches.

Well-documented technical data and an active watchmaker community help ensure efficient parts sourcing and expert repairs.

Maintaining the A. Schild AS 1903 calibre with high-quality, authentic spare parts is essential to keeping these vintage automatics running smoothly while honoring their place in Swiss horological heritage.

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Stem, Crown, Hands & Spares might be available for this movement.

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A. Schild (AS) Calibre 1904 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1904 is a vintage Swiss manual-wind mechanical movement known for its reliability, robust construction, and practical features such as sweep seconds, day, and date complications. Primarily produced around the late 1960s and early 1970s, it is a popular calibre among collectors and watchmakers focused on restoring classic manual-wind wristwatches.
Key Technical Highlights

Calibre: AS 1904

Movement Type: Manual winding, mechanical

Diameter: 25.60 mm (11.5 lignes)

Height: 4.60 mm

Jewels: 17 or 21 synthetic ruby jewels

Beat Rate: 21,600 vibrations per hour (3 Hz)

Power Reserve: Approximately 48 hours

Functions: Hours, minutes, sweep seconds, day and date complications

Date Setting: Quickset date by changing time between 20:00 and 24:00

Shock Protection: Vintage anti-shock system, typically Incabloc or equivalent

Lift Angle: Approximately 52°

Common Spare Parts and Components

Mainspring and Barrel: Essential for stable power delivery; use original or new-old-stock (NOS) mainsprings for proper torque and durability.

Balance Wheel and Balance Staff: Precision parts crucial for maintaining accurate timekeeping and shock resistance; must be an exact fit.

Pallet Fork and Escape Wheel: Wear-prone escapement components; sourcing original or NOS parts ensures smooth and reliable operation.

Gear Train Wheels (Minute, Third, Fourth): Frequently replaced due to wear; typically sourced from donor movements or NOS stock.

Setting Mechanism (Stem, Crown, Levers, Springs): Accurate fitting parts critical for smooth winding, time setting, and day/date adjustments; winding stems such as Part No. 401 are often compatible.

Jewels: Synthetic ruby bearings positioned to minimize friction; replacements must match the original layout exactly.

Hands and Dial Components: Period-correct parts preserve vintage authenticity and enhance collector appeal.

Day and Date Components: Calendar driving wheel, date indicator, day disk, date jumper springs, and other related parts are vital for maintaining functional complications.

Sourcing and Maintenance Tips

Use original, NOS, or donor parts specifically designated for AS 1904 to guarantee compatibility and maintain movement quality and integrity.

Handle delicate components such as the balance assembly, escapement parts, and setting mechanisms with care during servicing to prevent damage.

Apply modern synthetic watch lubricants sparingly in accordance with vintage lubrication protocols to optimize longevity and performance.

Always verify the calibre number stamped on the main plate before ordering to avoid incompatibility.

Donor AS 1904 movements are valuable sources for rare or worn parts.

Why AS 1904 Spare Parts Matter

Genuine parts preserve the calibre’s accuracy, mechanical reliability, and efficient manual winding, which are critical for dependable vintage watch operation.

Proper restoration with authentic components maintains the historical significance and collector value of these classic Swiss manual-wind watches.

Well-documented technical sheets and an active watchmaker community make parts sourcing and expert servicing more efficient.

Maintaining the A. Schild AS 1904 calibre with high-quality, authentic spare parts ensures these vintage watches continue to operate reliably while honoring their place in Swiss horological heritage.

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Stem, Crown, Hands & Spares might be available for this movement.

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A. Schild (AS) Calibre 1906 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1906 is a vintage Swiss automatic mechanical movement renowned for its robust construction, practical complications, and reliable performance. Introduced in the mid-1960s, this calibre features a micro rotor and double excenter regulator, making it a low-profile movement appreciated by collectors and watchmakers alike. It offers useful functions like sweep seconds, day, and date with quickset functionality.
Key Technical Highlights

Calibre: AS 1906

Movement Type: Automatic, mechanical with sweep seconds

Diameter: 25.60 mm (11.5 lignes)

Height: 5.95 mm

Jewels: 17, 21, or 25 synthetic ruby jewels

Beat Rate: 21,600 vibrations per hour (3 Hz)

Power Reserve: Approximately 44 hours

Functions: Hours, minutes, sweep seconds, day, and quickset date (setting by changing time between 20:00 and 24:00)

Shock Protection: Vintage anti-shock system

Rotor: Micro-rotor with ball-bearing mechanism for efficient winding

Lift Angle: Approximately 52°

Common Spare Parts and Components

Mainspring and Barrel: Use original or new-old-stock (NOS) mainsprings to maintain consistent torque and durability.

Balance Wheel and Balance Staff: Precise parts vital for accuracy and shock resistance; must fit exactly.

Rotor Assembly and Bearings: Key for smooth automatic winding; worn or damaged rotor parts require authentic or NOS replacements.

Pallet Fork and Escape Wheel: Wear-prone escapement components; genuine or NOS parts preserve reliable operation.

Gear Train Wheels (Minute, Third, Fourth): Often replaced due to wear; typically sourced from donor movements or NOS stock.

Setting Mechanism (Stem, Crown, Levers, Springs): Precise-fitting components are crucial for smooth winding, time, and calendar setting. Compatible winding stems include Swiss-made Part No. 401.

Jewels: Synthetic ruby bearings positioned to minimize friction; replacements must match the original layout to maintain movement integrity.

Hands and Dial Components: Period-correct parts preserve vintage authenticity and enhance collector value.

Sourcing and Maintenance Tips

Use original, NOS, or donor parts specifically designated for AS 1906 to ensure optimal compatibility and preserve movement quality.

Handle delicate components such as balance assemblies, escapement, and rotor assembly with care during servicing.

Apply modern synthetic watch oils sparingly, following vintage lubrication standards for prolonged movement life and optimal performance.

Always verify the calibre number stamped on the main plate before ordering parts to avoid compatibility issues.

Donor AS 1906 movements are valuable sources of rare or worn spare parts.

Why AS 1906 Spare Parts Matter

Genuine parts maintain the calibre’s accuracy, efficient automatic winding, and reliable calendar functions, ensuring dependable vintage watch performance.

Using authentic components preserves the historical significance and collector value of these classic Swiss automatic wristwatches.

Well-documented technical details and an active watchmaker community facilitate expert repairs and reliable parts sourcing.

Maintaining the A. Schild AS 1906 calibre with quality, authentic spare parts is essential to keep these vintage automatics running smoothly while respecting their important place in Swiss horology heritage.

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Stem, Crown, Hands & Spares might be available for this movement.

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A. Schild (AS) Calibre 1911 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1911 is a vintage Swiss manual-wind mechanical movement, well-regarded for its reliability, classic design, and precise timekeeping. Produced mainly around the 1970s, this calibre features a sweep second hand, quickset date function, and operates at a frequency of 21,600 vibrations per hour with a power reserve of approximately 48 hours. Its dimensions are 26 mm in diameter (11.5 lignes) and it typically houses 17 jewels.
Key Technical Highlights

Calibre: AS 1911

Movement Type: Manual winding, mechanical

Diameter: 26 mm (11.5 lignes)

Jewels: 17 synthetic ruby jewels

Beat Rate: 21,600 vibrations per hour (3 Hz)

Power Reserve: Approximately 48 hours

Functions: Hours, minutes, sweep seconds, quickset date

Lift Angle: 52°

Period Used: Circa 1970

Common Spare Parts and Components

Mainspring and Barrel: Original or new-old-stock (NOS) mainsprings recommended for consistent power delivery and optimal torque.

Balance Wheel and Balance Staff: Precision components crucial for accurate timing and shock absorption; must be exact fits.

Setting Mechanism (Stem, Crown, Levers, Springs): Key for smooth winding, time setting, and reliable quickset date operation. The winding stem Part No. 401 is commonly compatible.

Pallet Fork and Escape Wheel: Wear-prone escapement parts; sourcing original or NOS replacements ensures smooth and reliable escapement function.

Gear Train Wheels: Includes minute, third, and fourth wheels; often replaced due to wear, typically from donor movements or new-old-stock.

Jewels: Synthetic ruby bearings positioned to reduce friction; replacements must match the original layout for preservation of movement integrity.

Hands and Dial Components: Period-correct parts help maintain vintage authenticity and enhance collector appeal.

Date Mechanism Parts: Including date jumper, unlocking yoke, and related components essential for quickset date reliability.

Sourcing and Maintenance Tips

Always acquire original, NOS, or donor parts specific to AS 1911 to ensure seamless compatibility and preservation of movement quality.

Exercise caution when handling delicate components such as balance assemblies, escapement parts, and date mechanism during servicing.

Use modern synthetic watch oils sparingly, adhering to vintage lubrication protocols to maximize longevity and optimal performance.

Verify the calibre number stamped on the main plate before ordering parts to avoid mismatches.

Donor AS 1911 movements are valuable sources for rare or worn components.

Why AS 1911 Spare Parts Matter

Genuine parts preserve the calibre’s accuracy, mechanical reliability, and smooth manual winding function, essential for dependable performance in vintage wristwatches.

Proper restoration with authentic components maintains the historical significance and collector value of this classic Swiss manual-wind movement.

Comprehensive technical documentation and an active watchmaker community facilitate expert servicing and reliable part sourcing.

Maintaining the A. Schild AS 1911 calibre with high-quality, authentic spare parts ensures these vintage manual-wind timepieces continue to run reliably while honoring their esteemed place in Swiss horological heritage.

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Stem, Crown, Hands & Spares might be available for this movement.

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A. Schild (AS) Calibre 1913 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1913 is a vintage Swiss automatic mechanical movement celebrated for its reliability, efficient automatic winding, and practical complications including sweep seconds and a date function with quickset by changing time between 20:00 and 24:00. Produced primarily in the late 1950s to early 1960s, it remains a favored choice for collectors and watchmakers restoring classic wristwatches.
Key Technical Highlights

Calibre: AS 1913

Movement Type: Automatic, mechanical with sweep seconds

Diameter: 25.60 mm (11.5 lignes)

Height: 5.20 mm

Jewels: 17, 21, or 25 synthetic ruby jewels

Beat Rate: 21,600 vibrations per hour (3 Hz)

Power Reserve: Approximately 44 hours

Functions: Hours, minutes, sweep seconds, date with quickset (via crown position/time change between 20:00-24:00)

Shock Protection: Vintage anti-shock system (e.g., Incabloc)

Lift Angle: Approximately 52°

Common Spare Parts and Components

Mainspring and Barrel: Original or new-old-stock (NOS) mainsprings recommended for stable torque and reliable power delivery.

Balance Wheel and Balance Staff: Precision components demanding exact fit for accurate timekeeping and shock resistance.

Rotor Assembly and Bearings: Essential for smooth automatic winding; worn parts require genuine or NOS replacements.

Pallet Fork and Escape Wheel: Wear-prone escapement parts; sourcing authentic components ensures smooth operation.

Gear Train Wheels (Minute, Third, Fourth): Commonly replaced due to wear; typically obtained from donor movements or NOS stock.

Setting Mechanism (Stem, Crown, Levers, Springs): Precisely fitted parts vital for smooth winding, time setting, and date adjustment; winding stems such as Part No. 401 are often compatible.

Jewels: Synthetic ruby bearings arranged to minimize friction; must correspond exactly to the original layout to maintain movement integrity.

Hands and Dial Components: Period-correct parts uphold vintage authenticity and increase collector appeal.

Date Mechanism Components: Including date jumper, dial guard, and unlocking yoke crucial for reliable date function.

Sourcing and Maintenance Tips

Use only original, NOS, or donor parts specifically designated for AS 1913 to guarantee compatibility and preserve movement quality.

Handle delicate components—especially balance assemblies, escapement, and rotor—with care during servicing to prevent damage.

Apply modern synthetic watch oils sparingly, following vintage lubrication standards for longevity and optimal performance.

Always verify the calibre number stamped on the main plate before ordering to avoid mismatches.

Donor AS 1913 movements are valuable sources for rare or worn components.

Why AS 1913 Spare Parts Matter

Genuine parts preserve the calibre’s accuracy, reliable automatic winding, and durable mechanical performance, critical for dependable vintage watch operation.

Proper restoration with authentic components upholds the historical significance and collector value of these classic Swiss automatic watches.

Detailed technical documentation and an active watchmaker community facilitate expert servicing and efficient parts sourcing.

Maintaining the A. Schild AS 1913 calibre with high-quality, authentic spare parts ensures these beautiful vintage automatics continue to operate reliably while honoring their place in Swiss horological heritage.

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Calibre # / Movement # *

Part # *

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Stem, Crown, Hands & Spares might be available for this movement.

Email us for rate and availability: [email protected]

Mobile/WhatsApp: +91- 9841 360 340

A. Schild (AS) Calibre 1914 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1914 is a vintage Swiss manual-wind mechanical movement, renowned for its durability, precision, and practical features such as sweep seconds, day, and date complications. This movement was primarily produced around the 1940s to 1970 and is celebrated for its reliability and elegant design.
Key Technical Highlights

Calibre: AS 1914

Movement Type: Manual winding, mechanical

Diameter: 26 mm (11.5 lignes)

Height: Approximately 4.60 mm

Jewels: 17 or 21 synthetic ruby jewels

Beat Rate: 21,600 vibrations per hour (3 Hz)

Power Reserve: Approximately 48 hours

Functions: Hours, minutes, sweep seconds, day and date (date set by changing time between 20:00 and 24:00)

Lift Angle: 52°

Shock Protection: Vintage anti-shock system (often Incabloc or equivalent)

Common Spare Parts and Components

Mainspring and Barrel: Key for steady power delivery; original or new-old-stock (NOS) parts ensure proper torque and longevity.

Balance Wheel and Balance Staff: Precision components essential for accurate timekeeping and shock resistance; exact fit is critical.

Pallet Fork and Escape Wheel: Wear-prone escapement parts that require sourcing original or NOS replacements for smooth operation.

Gear Train Wheels (Minute, Third, Fourth): Common replacements due to wear; typically sourced from donor movements or NOS stock.

Setting Mechanism (Stem, Crown, Levers, Springs): Precise fitting parts are vital for smooth winding, time setting, and day/date adjustment; winding stems such as Part No. 401 are compatible.

Jewels: Synthetic ruby bearings arranged to minimize friction; replacements must match the original layout precisely.

Hands and Dial Components: Period-correct parts help maintain vintage authenticity and collector appeal.

Additional Parts: Rocking bar, click, click spring, yoke, setting lever, various screws, cannon pinions with and without clam notch.

Sourcing and Maintenance Tips

Use only original, NOS, or donor parts specifically designated for AS 1914 to guarantee fit and movement integrity.

Handle delicate components such as balance assemblies and escapement parts with care during servicing.

Apply modern synthetic watch lubricants sparingly following vintage lubrication protocols to maintain optimal performance and longevity.

Always confirm the calibre number stamped on the main plate before ordering parts to prevent incompatibility.

Donor AS 1914 movements can be invaluable sources for rare or worn parts.

Why AS 1914 Spare Parts Matter

Authentic components ensure the calibre’s accuracy, reliable manual winding, and proper functioning of day and date complications, critical to dependable vintage watch performance.

Proper restoration with genuine parts preserves the historical significance and collector value of these classic Swiss manual-wind wristwatches.

Detailed technical documentation and an active watchmaker community facilitate efficient parts sourcing and expert servicing.

Maintaining the A. Schild AS 1914 calibre with high-quality, authentic spare parts is essential for preserving the craftsmanship and reliable function of these treasured vintage Swiss watches.

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other # Part

Calibre # / Movement # *

Part # *

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Stem, Crown, Hands & Spares might be available for this movement.

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A. Schild (AS) Calibre 1916 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1916 is a vintage Swiss automatic mechanical movement known for its robust construction, practical complications, and reliable performance. Manufactured primarily in the 1960s and early 1970s, it features sweep seconds, day and date functions with a quickset date mechanism activated by repeated pushing of the crown. This calibre is favored by collectors and watchmakers for restoring classic automatic wristwatches.
Key Technical Highlights

Calibre: AS 1916

Movement Type: Automatic, mechanical

Diameter: 25.60 mm (11.5 lignes)

Height: 5.95 mm

Jewels: 17, 21, or 25 synthetic ruby jewels

Beat Rate: 21,600 vibrations per hour (3 Hz)

Power Reserve: Approximately 44 hours

Functions: Hours, minutes, sweep seconds, day, and quickset date (via repeated crown pushing)

Shock Protection: Vintage anti-shock system, typically Incabloc

Lift Angle: Approximately 52°

Common Spare Parts and Components

Mainspring and Barrel: Original or new-old-stock (NOS) mainsprings ensure steady and reliable power delivery.

Balance Wheel and Balance Staff: Precision parts essential for accurate timekeeping and shock resistance; exact fit is critical.

Rotor Assembly and Bearings: Crucial for smooth automatic winding; worn rotors and bearings should be replaced with genuine or NOS parts.

Pallet Fork and Escape Wheel: Escapement components prone to wear; sourcing original or NOS parts maintains smooth operation.

Gear Train Wheels (Minute, Third, Fourth): Often replaced due to wear; usually sourced from donor movements or NOS inventory.

Setting Mechanism (Stem, Crown, Levers, Springs): Accurate fitting parts ensure smooth winding, time, day, and quickset date adjustments; winding stems like Part No. 401 are commonly compatible.

Jewels: Synthetic ruby bearings arranged to reduce friction; replacements must correspond exactly to the original layout.

Hands and Dial Components: Period-correct parts help maintain vintage authenticity and enhance collector appeal.

Day and Date Components: Includes date indicator guards, date jumpers, unlocking yokes, and day star parts essential for calendar function reliability.

Sourcing and Maintenance Tips

Always use original, NOS, or donor parts specifically designated for AS 1916 to ensure perfect compatibility and maintain quality.

Handle delicate components such as the balance, escapement, rotor, and calendar parts carefully during servicing to prevent damage.

Apply modern synthetic watch oils sparingly, following vintage lubrication standards for optimum longevity and function.

Verify the calibre number stamped on the main plate before ordering parts to avoid mismatches.

Donor AS 1916 movements are excellent sources for rare or worn components.

Why AS 1916 Spare Parts Matter

Authentic parts preserve the calibre’s accuracy, reliability, efficient automatic winding, and smooth calendar function, critical for dependable vintage watch performance.

Proper restoration with genuine components safeguards the historical significance and collector value of these classic Swiss automatic movements.

Detailed technical documentation and an active watchmaker community facilitate efficient parts sourcing and expert repairs.

Maintaining the A. Schild AS 1916 calibre with high-quality, authentic spare parts ensures these vintage automatic watches continue to run reliably while honoring their place in Swiss horological heritage.

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Stem, Crown, Hands & Spares might be available for this movement.

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