A. Schild (AS) Calibre 1886 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1886 is a vintage Swiss automatic mechanical movement known for its robust construction, reliable performance, and practical complications. Produced around the mid-1960s, this calibre features automatic winding, sweep seconds, and day-date functions, making it a versatile choice for mid-20th-century wristwatches.
Key Technical Highlights

Calibre: AS 1886

Movement Type: Automatic, mechanical

Diameter: Approximately 26 mm (11.5 lignes)

Height: About 5.25 mm

Jewels: 17, 21, or 25 synthetic ruby jewels

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

Power Reserve: Around 42 hours

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

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

Rotor: Ball-bearing type for smooth automatic winding

Notable Features: Large balance wheel and indirect minute hand drive for smooth motion

Common Spare Parts and Components

Mainspring and Barrel: Ensure consistent power delivery; original or new-old-stock (NOS) mainsprings maintain torque and durability.

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

Rotor Assembly and Bearings: Central to efficient automatic winding; worn components need genuine or high-quality NOS replacements.

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

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

Setting Mechanism (Stem, Crown, Levers, Springs): Must fit precisely for smooth winding, time, and day/date adjustments.

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

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

Sourcing and Maintenance Tips

Use original, NOS, or donor parts specifically marked for AS 1886 to ensure compatibility and preserve movement integrity.

Handle delicate components such as balance assemblies, escapement, and rotor carefully during servicing.

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

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

Donor AS 1886 movements are valuable sources for rare or worn components.

Why AS 1886 Spare Parts Matter

Genuine parts preserve the calibre’s accuracy, reliability, and efficient automatic winding, vital for dependable daily wear.

Proper restoration with authentic components maintains the historical significance and collectible value of these classic Swiss automatics.

Extensive technical documentation and an active watchmaker community support efficient parts sourcing and expert repairs.

Maintaining the A. Schild AS 1886 calibre with quality spare parts is essential to ensure these vintage automatic wristwatches continue to perform reliably while honoring their place in Swiss horological heritage.

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A. Schild (AS) Calibre 1892 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1892 is a vintage Swiss automatic mechanical movement valued for its reliable performance and classic features. Produced around the mid-20th century, this calibre is appreciated for its robust construction, efficient automatic winding, and useful complications such as sweep seconds and date display.
Key Technical Highlights

Calibre: AS 1892

Movement Type: Automatic, mechanical

Diameter: 26 mm (11.5 lignes)

Jewels: 17, 21, or 25 synthetic ruby jewels

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

Power Reserve: Approximately 42 hours

Functions: Hours, minutes, sweep seconds, date

Shock Protection: Vintage Incabloc or similar anti-shock system

Lift Angle: 52°

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

Common Spare Parts and Components

Mainspring and Barrel: Core power components; NOS replacements recommended for stable torque and longevity.

Balance Wheel and Balance Staff: Precision shock-resistant parts vital for timekeeping accuracy; must be exact fit to maintain performance.

Rotor Assembly and Bearings: Central to automatic winding efficiency; replace worn parts with genuine or high-quality NOS components.

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

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

Setting Mechanism (Stem, Crown, Levers, Springs): Accurate fit essential for smooth winding, time setting, and date adjustment; winding stem Part No. 401 compatible.

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

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

Sourcing and Maintenance Tips

Use only original, NOS, or donor parts specifically marked for AS 1892 to ensure compatibility and preserve movement quality.

Handle fragile parts such as balance assemblies, escapement, and rotor with care during servicing.

Apply modern synthetic watch oils sparingly in accordance with vintage lubrication standards for longevity and reliability.

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

Donor AS 1892 movements serve as valuable sources for rare or worn spare components.

Why AS 1892 Spare Parts Matter

Genuine parts maintain the calibre’s accuracy, reliability, and efficient automatic winding, crucial for consistent watch performance.

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

Well-documented technical specifications and an active watchmaker community facilitate efficient parts sourcing and expert repairs.

Maintaining the A. Schild AS 1892 calibre with quality spare parts is essential for ensuring these vintage automatic watches continue to perform reliably while honoring their Swiss horological legacy.

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A. Schild (AS) Calibre 1893 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1893 is a vintage Swiss automatic mechanical movement recognized for its reliable performance, practical complications, and robust construction. Produced as part of the AS calibre series, it boasts a classic automatic winding system with day and date functions, making it a popular choice for mid-20th-century wristwatches.
Key Technical Highlights

Calibre: AS 1893

Movement Type: Automatic, mechanical

Diameter: 26 mm (11.5 lignes)

Jewels: 17, 21, or 25 synthetic ruby jewels

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

Power Reserve: Approximately 42 hours

Lift Angle: 52°

Functions: Hours, minutes, sweep seconds, day and date complications (typically with quickset function)

Shock Protection: Vintage Incabloc or equivalent anti-shock system

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

Common Spare Parts and Components

Mainspring and Barrel: Vital for consistent power delivery; original or new-old-stock (NOS) mainsprings recommended for correct torque and durability.

Balance Wheel and Balance Staff: Precision parts essential for accurate timekeeping and shock resistance; must be precisely matched to the calibre.

Rotor Assembly and Bearings: Central to efficient automatic winding; worn or damaged rotors and bearings should be replaced with genuine or quality NOS parts.

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

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

Setting Mechanism (Stem, Crown, Levers, Springs): Precise fitting parts ensure smooth winding, time setting, and calendar adjustments. Compatible winding stems such as Swiss made Part No. 401 often fit this calibre.

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

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

Sourcing and Maintenance Tips

Always use original, NOS, or donor parts specifically designated for AS 1893 to ensure full compatibility and preserve movement quality.

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

Apply modern synthetic watch oils sparingly, adhering to vintage lubrication practices to optimize movement longevity and function.

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

Donor AS 1893 movements serve as valuable sources for rare, high-quality, or worn components.

Why AS 1893 Spare Parts Matter

Authentic spare parts maintain the calibre’s accuracy, reliable automatic winding, and durability, crucial for dependable vintage watch performance.

Proper restoration with genuine components helps preserve the historical significance and collector value of classic Swiss automatic wristwatches.

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

Maintaining the A. Schild AS 1893 calibre with quality spare parts is essential for ensuring these vintage automatics continue to run smoothly while respecting their place in Swiss horological history.

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A. Schild (AS) Calibre 1895 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1895 is a vintage Swiss automatic mechanical movement highly regarded for its robust construction, reliable performance, and practical complications. Manufactured primarily in the late 1950s and early 1960s, this calibre features automatic winding with a bidirectional rotor, sweep seconds, and day-date complications, including a distinctive bow-shaped day aperture positioned between 11 and 1 o’clock on the dial.
Key Technical Highlights

Calibre: AS 1895

Movement Type: Automatic, mechanical with sweep seconds

Diameter: 31.00 mm (13.75 lignes)

Height: Approximately 5.25 mm

Jewels: Typically 25 synthetic ruby jewels

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

Power Reserve: Around 42 hours

Functions: Hours, minutes, sweep seconds, day (displayed through bow-aperture), date (quickset by changing time between 20:20 and 24:00)

Shock Protection: Vintage anti-shock system, commonly Incabloc

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

Common Spare Parts and Components

Mainspring and Barrel: Essential for steady power delivery; use original or new-old-stock (NOS) mainsprings to maintain correct torque and longevity.

Balance Wheel and Balance Staff: Precision parts vital for accurate timekeeping and shock resistance; exact fitting parts ensure reliability.

Rotor Assembly and Bearings: Key to automatic winding efficiency; worn or damaged rotors and bearings should be replaced with genuine or high-quality NOS components.

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

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

Setting Mechanism (Stem, Crown, Levers, Springs): Precise fitting parts required for smooth winding, time setting, and quickset date/day adjustments.

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

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 1895 to ensure proper compatibility and preserve movement quality.

Handle delicate components such as the balance assembly, escapement, and rotor with care during servicing to avoid damage.

Apply modern synthetic watch oils sparingly and in accordance with vintage lubrication standards to prolong movement life and performance.

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

Donor AS 1895 movements can be invaluable sources for rare, worn, or difficult-to-find spare parts.

Why AS 1895 Spare Parts Matter

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

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

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

Maintaining the A. Schild AS 1895 calibre with quality, authentic spare parts is vital to ensuring these vintage automatics continue to run smoothly while honoring their important place in Swiss horological heritage.

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A. Schild (AS) Calibre 1896 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1896 is a vintage Swiss automatic mechanical movement widely respected for its robust construction, reliable performance, and practical complications. Produced mainly in the mid-20th century, this calibre features automatic winding, sweep seconds, and day-date functionality with quickset date, making it a popular choice for classic wristwatches.
Key Technical Highlights

Calibre: AS 1896

Movement Type: Automatic, mechanical

Diameter: 25.60 mm (11.5 lignes)

Height: Approximately 5.25 mm

Jewels: 17, 21, 25, or 26 synthetic ruby jewels (variant-dependent)

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

Power Reserve: About 42 hours

Functions: Hours, minutes, sweep seconds, day and date with quickset (set by changing time between 20:20 and midnight)

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

Rotor: Ball-bearing type rotor for smooth, efficient automatic winding

Lift Angle: Approximately 52°

Common Spare Parts and Components

Mainspring and Barrel: Essential for steady and reliable power delivery; original or new-old-stock (NOS) mainsprings maintain torque and durability.

Balance Wheel and Balance Staff: Precise parts vital for accurate timekeeping and shock resistance; exact fitting parts needed to ensure reliability.

Rotor Assembly and Bearings: Integral to smooth automatic winding; replacement of worn components with genuine or high-quality NOS parts is recommended.

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

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

Setting Mechanism (Stem, Crown, Levers, Springs): Precise fitting parts are critical for smooth winding, time setting, and calendar adjustments.

Jewels: Synthetic ruby bearings arranged to reduce 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 clearly marked for AS 1896 to guarantee compatibility and maintain movement quality.

Handle delicate components like balance assemblies, escapement, and automatic winding rotor with care during servicing.

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

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

Donor AS 1896 movements serve as valuable sources for rare, worn, or hard-to-find spare parts.

Why AS 1896 Spare Parts Matter

Genuine parts maintain the calibre’s accuracy, reliability, and efficient automatic winding, which are critical for dependable vintage watch performance.

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

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

Maintaining the A. Schild AS 1896 calibre with quality, authentic spare parts ensures these vintage automatics continue to run smoothly while honoring their rightful place in Swiss watchmaking heritage.

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A. Schild (AS) Calibre 1814 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1814 is a vintage Swiss manual-wind mechanical movement widely recognized for its robust reliability, compact design, and long-standing popularity in mid-20th-century wristwatches. Restoring and servicing this calibre requires familiarity with its parts and strict sourcing standards for authenticity.
Key Technical Highlights

Calibre: AS 1814

Movement Type: Manual winding, mechanical

Diameter: Approximately 11.5 lignes (~25.60mm)

Jewels: Typically 17 synthetic ruby jewels

Beat Rate: Commonly 18,000 vibrations per hour (vph)

Functions: Hours, minutes, sweep seconds, with some variants featuring date complications

Shock Protection: Standard anti-shock systems of the era

Common Spare Parts and Components

Mainspring and Barrel: Critical for steady power delivery; NOS and original main springs (such as Part No. 182) ensure longevity and torque.

Balance Wheel and Balance Staff: Precision parts essential for timekeeping; require exact fit and compatible shock protection.

Pallet Fork and Escape Wheel: Wear-prone; sourcing original or NOS maintains escapement integrity.

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

Cannon Pinion (Part No. 243): Transmits motion from the movement to the hands, critical for correct time display.

Setting Mechanism (Stem, Crown, Levers, Springs): Must match for reliable time-setting and winding functions.

Jewels: Synthetic rubies reduce friction; replacements must exactly match the original pattern.

Hands, Dial, and Date Parts: Period-appropriate spares maintain collector value and watch authenticity.
Sourcing and Maintenance Tips

Use original, NOS, or donor parts specifically marked for AS 1814 to preserve movement quality and integrity.

Handle delicate components like balance assemblies and escapements carefully during any service.

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

Always confirm the calibre number stamped on the main plate before ordering spares to avoid compatibility issues.

Donor AS 1814 movements remain invaluable for sourcing rare or worn parts.
Why AS 1814 Spare Parts Matter

Authentic parts protect the calibre’s accuracy, durability, and mechanical integrity—essential for reliable timekeeping.

Proper restoration with genuine components preserves the historical significance and collector appeal of these classic Swiss movements.

Technical documentation and a vibrant watchmaker community support efficient parts sourcing and expert repairs.

Maintaining the A. Schild AS 1814 with high-quality, authentic spare parts ensures these vintage manual-wind watches continue to perform reliably, honoring their heritage in Swiss watchmaking.

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A. Schild (AS) Calibre 1816 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1816 is a Swiss automatic mechanical movement introduced around 1965, recognized for its robust construction and inclusion of both day and date complications (day at 6 o’clock, date set by changing the time between 20:00 and 24:00). The movement measures 11.5 lignes (25.60mm) in diameter and around 5.95mm in height, available in 17 or 21 jewel variants and operates at 18,000 vibrations per hour (vph).
Key Technical Highlights

Calibre: AS 1816

Movement Type: Automatic, mechanical

Diameter: 25.60mm (11.5 lignes)

Height: Approximately 5.95mm

Jewels: 17 or 21 synthetic ruby jewels

Beat Rate: 18,000 vph

Functions: Hours, minutes, sweep seconds, day at 6h, date set between 20:00–24:00

Shock Protection: Standard for the era

Common Spare Parts and Components

Mainspring and Barrel: Crucial for steady power delivery; NOS (new-old-stock) mainsprings and barrels (e.g., Part No. 182) are available.

Balance Wheel and Balance Staff: Precision parts vital for accurate timekeeping; require perfect fit for shock resistance and reliability.

Rotor Assembly and Bearings: Core to the automatic winding mechanism; ensure replacements are genuine or high-quality NOS for smooth winding.

Pallet Fork and Escape Wheel: Wear-prone; sourcing original or NOS parts maintains escapement integrity.

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

Setting Mechanism (Stem, Crown, Levers, Springs): Must match original dimensions for winding, time, and date setting functions.

Jewels: Synthetic rubies designed to reduce friction; replacements must exactly follow the original configuration.

Hands and Dial Components: Period-correct spares (e.g., 1.50 x 0.90 x 0.21mm) uphold vintage authenticity and value.
Sourcing and Maintenance Tips

Always use original, NOS, or donor parts specifically marked for AS 1816 to safeguard compatibility and movement quality.

Handle delicate components like the balance, escapement, and rotor assembly with special care during service.

Apply synthetic watch oils sparingly, adhering to vintage lubrication standards for longevity.

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

Donor AS 1816 movements are invaluable for sourcing rare or worn parts.

Why AS 1816 Spare Parts Matter

Authentic parts maintain the calibre’s accuracy, reliability, and long-term durability—key for daily wear and collector value.

Proper restoration with correct spares preserves the historical significance of these Swiss automatic watches.

Well-documented specifications and a vibrant watchmaker community make finding parts and repair expertise easier.

Maintaining an A. Schild AS 1816 with high-quality, genuine parts ensures this vintage automatic movement performs faithfully and remains a prized piece of Swiss horological heritage.

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A. Schild (AS) Calibre 1820 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1820 is a vintage Swiss automatic movement noted for its robust construction, proven reliability, and inclusion of sweep seconds, day, and date complications. Frequently found in mid-20th-century wristwatches, restoring this calibre demands attention to detail and precise sourcing of specialty parts.
Key Technical Highlights

Calibre: AS 1820

Movement Type: Automatic, mechanical

Diameter: 11.5 lignes (25.60mm)

Height: 4.70mm

Jewels: 17, 21, or 25 synthetic ruby jewels

Beat Rate: 18,000 vibrations per hour (vph)

Power Reserve: Approximately 40–42 hours

Functions: Hours, minutes, sweep seconds, day (set by ±24h), date (set by changing 20:00–24:00)

Shock Protection: Incabloc or similar vintage system

Lift Angle: 52°

Rotor: Ball-bearing style for efficient automatic winding

Common Spare Parts and Components

Mainspring and Barrel: Critical for stable power delivery; exact replacements (including NOS) are available and ensure long-running reliability.

Balance Wheel and Balance Staff: Precision, shock-protected parts vital for timekeeping; matching genuine components is essential.

Rotor Assembly and Bearings: Central to dependable automatic winding; worn or damaged rotors should be replaced with compatible original or new-old-stock units.

Pallet Fork and Escape Wheel: Wear-prone escapement parts; use original or high-grade NOS for smooth function and longevity.

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

Winding Stem (Part No. 401): The official Swiss-made stem for the AS 1820; suited for seamless fit and operation of winding, setting, and quickset features.

Setting Mechanism (Crown, Levers, Springs): Must be original spec for precise winding, time, and calendar adjustments.

Jewels: Replacement synthetic ruby bearings need to match the original configuration and placement.

Hands and Dial Components: Period-appropriate pieces preserve authenticity and collector value.

Sourcing and Maintenance Tips

Select original, NOS, or properly marked donor parts for the AS 1820 to ensure quality and fit.

Handle delicate components, especially the balance, escapement, and rotor assemblies, with care during service.

Use synthetic watch oils sparingly, adhering to vintage lubrication practices to safeguard longevity and optimal function.

Always confirm the calibre number stamped on the main plate before ordering any parts for perfect compatibility.

Donor AS 1820 movements are a valuable resource for rare or worn pieces.

Why AS 1820 Spare Parts Matter

Authentic, well-matched parts protect the calibre’s precision, durability, and mechanical reliability.

Correct restoration with genuine components preserves the historical and collectible significance of these Swiss automatics.

Active vintage watchmaker communities and technical documentation support effective parts sourcing and skilled repairs.

Maintaining the A. Schild AS 1820 movement with quality spare parts is essential for keeping these vintage automatics performing reliably and honoring their place in Swiss horological history.

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A. Schild (AS) Calibre 1824 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1824 is a robust vintage Swiss automatic movement, prized for its reliability, mid-century engineering, and versatility found in classic wristwatches of the 1960s and 1970s. Servicing this movement demands precise, authentic parts and careful handling to preserve its integrity.
Key Technical Highlights

Calibre: AS 1824

Movement Type: Automatic, mechanical

Diameter: 11.5 lignes (approx. 26mm)

Height: About 5.25mm

Jewels: 17, 21, or 25 synthetic ruby jewels

Beat Rate: 18,000 vibrations per hour (vph)

Power Reserve: Approx. 42 hours

Functions: Hours, minutes, sweep seconds, quickset date, hacking seconds (depending on execution)

Shock Protection: Vintage anti-shock system, typical for period Swiss automatics

Common Spare Parts and Components

Mainspring and Barrel: Stable power delivery is essential—use NOS (new old stock) or original mainsprings for optimal performance.

Balance Wheel and Balance Staff: Precision components that require exact fit for proper timekeeping and shock resistance.

Rotor Assembly and Bearings: Critical for seamless automatic winding; worn rotors or bearings should be replaced with genuine or high-quality NOS elements.

Pallet Fork and Escape Wheel: Escapement wear is common; original or NOS replacements ensure durability.

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

Barrel Arbor (Part No. 195): Essential for mainspring operation and must fit the calibre exactly.

Setting Mechanism (Stem, Crown, Levers, Springs): Must be matched for reliable winding, time setting, and quickset operations.

Jewels: Synthetic rubies reduce friction and must match the original layout.

Hands and Dial Components: Period-appropriate spares maintain authentic look and vintage value.

Sourcing and Maintenance Tips

Use only original, NOS, or properly marked donor parts for calibre 1824 to ensure compatibility and optimize movement durability.

Handle delicate components (balance, escapement, rotor) with care to avoid damage during servicing.

Apply modern synthetic watch oils sparingly, using protocols suited for vintage watches.

Always confirm the calibre number on the main plate before ordering any parts to eliminate compatibility errors.

Donor AS 1824 movements are valuable resources for rare or worn spare parts.

Why AS 1824 Spare Parts Matter

Authentic parts ensure the calibre’s precision, automatic winding efficiency, and mechanical durability.

Restoring with the correct parts preserves the historical and collectible appeal of classic Swiss automatic watches.

Comprehensive technical documentation and an active community aid efficient parts sourcing and expert repairs.

Maintaining the A. Schild AS 1824 movement with quality, authentic spare parts is essential for reliable performance and honoring Swiss horological history.

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A. Schild (AS) Calibre 1825 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1825 is a vintage Swiss automatic movement recognized for its robust durability, mid-century engineering, and recurring use in classic wristwatches of the 1960s–1970s. Accurate servicing and restoration rely on proper identification and sourcing of authentic spare parts.
Key Technical Highlights

Calibre: AS 1825

Movement Type: Automatic, mechanical

Diameter: 11.5 lignes (approx. 25.60mm)

Height: About 5.25mm

Jewels: 17, 21, or 25 synthetic ruby jewels

Beat Rate: 18,000 vibrations per hour (vph)

Lift Angle: 52°

Power Reserve: Approx. 42 hours

Functions: Hours, minutes, sweep seconds, quickset date (family includes manual and quickset variants)

Common Spare Parts and Components

Mainspring and Barrel: Provide reliable and stable power; new-old-stock (NOS) or original mainsprings are recommended for best performance.

Balance Wheel and Balance Staff: Precision-shock protected components crucial for timekeeping accuracy; must be matched exactly for proper function.

Rotor Assembly and Bearings: Essential for efficient automatic winding; use genuine or NOS parts for smooth rotation and reduced wear.

Pallet Fork and Escape Wheel: Escapement parts prone to wear – sourcing original/NOS pieces preserves long-term operation.

Gear Train Wheels (Minute, Third, Fourth): Subject to wear and often replaced; donor movements or NOS stock are typical sources.

Winding Stem (Part No. 401): Official winding stem for AS 1825, shared with AS 1820/1824/other contemporaries; original Swiss-made stems ensure seamless fit and movement operation.

Setting Mechanism (Crown, Levers, Springs): Must be original spec for reliable manual winding, time, and quickset date adjustments.

Barrel Arbor (Part No. 195): Ensures smooth mainspring operation; essential for power transmission and longevity.

Jewels: Synthetic ruby bearings must match original placement and count.

Hands and Dial Components: Period parts critical for authentic restoration and collector aesthetics.

Sourcing and Maintenance Tips

Use original, NOS, or marked donor parts specific to AS 1825 to ensure compatibility and movement quality.

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

Handle fragile parts like the balance, rotor, and escapement with care during servicing.

Apply modern synthetic lubricants sparingly, following vintage protocols for optimal lifespan.

Donor AS 1825 movements remain essential sources for rare or worn components.

Why AS 1825 Spare Parts Matter

Genuine parts protect the calibre’s accuracy, automatic winding efficiency, and mechanical reliability.

Proper restoration preserves the historical and collector value of classic Swiss automatic watches.

Access to technical documentation and an active vintage watchmaker community facilitates reliable parts sourcing and expert repairs.

Maintaining the A. Schild AS 1825 movement with quality, authentic spare parts is essential for preserving its performance and status in Swiss horological history.