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A. Schild (AS) Calibre 1746 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1746 is a vintage Swiss manual-wind mechanical movement cherished for its compact size, reliable mechanics, and classic sweep seconds feature. This calibre measures approximately 25.6 mm (11.5 lignes) in diameter with a slim profile at about 3.6 mm in height. It operates at a beat rate of 18,000 vibrations per hour (vph) and typically contains 17 or 21 synthetic ruby jewels. Known for its solid construction and dependable performance, the AS 1746 is a popular choice for vintage watch restoration projects.
Key Technical Highlights

Calibre: AS 1746

Movement Type: Manual winding, mechanical

Diameter: 25.60 mm (11.5 lignes)

Height: 3.60 mm

Jewels: 17 or 21 synthetic ruby jewels

Beat Rate: 18,000 vph

Power Reserve: Approximately 48 hours

Functions: Hours, minutes, sweep seconds

Shock Protection: Standard vintage anti-shock system such as Incabloc

Common Spare Parts and Components

Mainspring and Barrel: Crucial for stable power storage and steady torque delivery; replacements must match original size and tension specifications.

Balance Wheel and Balance Staff: Delicate precision parts essential for accurate timekeeping and shock resistance; exact fitting parts required.

Pallet Fork and Escape Wheel: Wear-prone escapement components; sourcing original or high-quality new-old-stock (NOS) parts ensures smooth function.

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 fit required to guarantee reliable winding and time setting. Original Swiss-made winding stems are available for this calibre.

Jewels: Synthetic ruby bearings positioned to reduce friction; replacements must match original count and placement.

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

Sourcing and Maintenance Tips

Use original, NOS, or donor parts labeled for AS 1746 to ensure compatibility and preserve movement integrity.

Handle fragile components like the balance wheel and escapement carefully to avoid damage during servicing.

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

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

Donor AS 1746 movements are valuable sources for hard-to-find or worn components.

Why AS 1746 Spare Parts Matter

Genuine parts preserve the calibre’s accuracy, mechanical reliability, and durability, which are critical for dependable operation.

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

The detailed technical documentation and active watchmaker communities facilitate efficient parts sourcing and expert repairs.

Maintaining the A. Schild AS 1746 calibre with quality spare parts ensures these vintage manual-wind movements continue to perform reliably while preserving their heritage in Swiss horology.

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A. Schild (AS) Calibre 1747 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1747 is a vintage Swiss manual-wind mechanical movement notable for its slim profile, reliability, and the inclusion of both sweep seconds and date complication. The calibre features a diameter of approximately 25.60 mm (11.5 lignes) and a height of about 3.60 mm. It runs at a standard beat rate of 18,000 vibrations per hour (vph) and typically contains 17 or 21 synthetic ruby jewels. The AS 1747 is valued by collectors and watchmakers for mid-20th-century watch restorations.
Key Technical Highlights

Calibre: AS 1747

Movement Type: Manual winding, mechanical

Diameter: 25.60 mm (11.5 lignes)

Height: 3.60 mm

Jewels: 17 or 21 synthetic ruby jewels

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

Power Reserve: Approximately 48 hours

Functions: Hours, minutes, sweep seconds, date complication

Shock Protection: Standard vintage anti-shock system

Date Setting: Time adjustment between evening hours (typically 20:00 to 24:00)

Common Spare Parts and Components

Mainspring and Barrel: Critical for consistent power delivery; NOS and original replacements ensure proper torque and durability.

Balance Wheel and Balance Staff: Precision components vital for accuracy and shock resistance; require correct sizing and proper shock protection.

Pallet Fork and Escape Wheel: Escapement parts that experience wear; sourcing original or high-quality NOS parts ensures smooth 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): Must fit precisely for reliable winding, time, and date setting functions.

Jewels: Synthetic ruby bearings to reduce friction; replacements must conform to the original jewel layout.

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

Sourcing and Maintenance Tips

Use original, NOS, or donor parts explicitly marked for AS 1747 to maintain movement integrity.

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

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

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

Donor movements and specialty suppliers provide valuable sources for rare or worn components such as mainsprings and winding stems.

Why AS 1747 Spare Parts Matter

Genuine parts preserve the calibre’s accuracy, reliability, and classic vintage character.

Proper restoration using authentic components helps maintain the historical significance and collector appeal of these classic manual-wind movements.

The well-documented design and active vintage watchmaker community support efficient parts sourcing and expert servicing.

Maintaining the A. Schild AS 1747 calibre with high-quality spare parts is essential to keep these refined vintage watches running reliably, preserving their important place in Swiss horology heritage.

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A. Schild (AS) Calibre 1748 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1748 is a vintage Swiss automatic mechanical movement admired for its robust automatic winding system, date complication, and sweep seconds feature. It measures approximately 25.60 mm (11.5 lignes) in diameter with a height of about 4.60 mm. The calibre runs at a beat rate of 18,000 vibrations per hour (vph) and typically contains 21 or 25 synthetic ruby jewels. It is known for its reliable performance and was widely used in mid-20th-century gentlemen’s automatic watches.
Key Technical Highlights

Calibre: AS 1748

Movement Type: Automatic, mechanical with date and sweep seconds

Diameter: 25.60 mm (11.5 lignes)

Height: 4.60 mm

Jewels: 21 or 25 synthetic ruby jewels

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

Power Reserve: Approximately 42 hours

Functions: Hours, minutes, sweep seconds, date complication

Shock Protection: Vintage systems such as Incabloc

Notable: Ball-bearing rotor for smooth automatic winding

Common Spare Parts and Components

Mainspring and Barrel: Crucial for power storage and stable torque delivery; replacements must match original specifications to ensure longevity.

Balance Wheel and Balance Staff: Essential precision parts requiring exact fit and compatible shock protection for reliable timing.

Rotor Assembly and Bearings: Key to automatic winding efficiency; worn bearings and rotor parts should be replaced with quality compatibles or NOS (new-old-stock).

Pallet Fork and Escape Wheel: Wear-prone escapement components; sourcing original or high-quality NOS parts is necessary for smooth function.

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

Setting Mechanism (Stem, Crown, Levers, Springs): Must fit perfectly to allow smooth winding, time-setting, and date adjustment.

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

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

Sourcing and Maintenance Tips

Use original, NOS, or donor parts specified for AS 1748 to guarantee perfect fit and maintain movement integrity.

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

Apply modern synthetic watch lubricants sparingly and follow vintage lubrication protocols for longevity and optimal performance.

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

Donor movements are valuable sources for rare or hard-to-find components such as date wheels, rotor parts, and escapement pieces.

Why AS 1748 Spare Parts Matter

Genuine parts preserve the calibre’s accuracy, automatic winding efficiency, and mechanical durability, essential for reliable daily use.

Proper restoration with authentic components helps maintain the historical significance and collector appeal of these mid-century automatic watches.

Detailed technical documentation and an active watchmaker community facilitate trusted parts sourcing and expert repair services.

Maintaining the A. Schild AS 1748 calibre with quality spare parts is key to keeping these refined vintage automatic movements running smoothly while preserving their esteemed place in Swiss horological history.

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A. Schild (AS) Calibre 1749 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1749 is a vintage Swiss automatic mechanical movement known for its reliable automatic winding system, sweep seconds hand, and date complication. It is an extension of the AS 1748 calibre, featuring a date mechanism and a single-direction (counterclockwise) winding module. This calibre measures approximately 25.60 mm (11.5 lignes) in diameter with a height of about 4.60 mm. It operates at a beat rate of 18,000 vibrations per hour (vph) and incorporates a sophisticated pallet lever escapement with 25 synthetic ruby jewels for reduced friction and enhanced durability.
Key Technical Highlights

Calibre: AS 1749

Movement Type: Automatic, mechanical with sweep seconds and date

Diameter: 25.60 mm (11.5 lignes)

Height: 4.60 mm

Jewels: 25 synthetic ruby jewels

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

Shock Protection: Incabloc anti-shock system

Lift Angle: 52°

Balance: Nickel anular balance with clockwise hairspring and movable stud

Date Setting: By changing time between 20:20 and midnight

Winding Module: Single direction (winds counterclockwise)

Common Spare Parts and Components

Mainspring and Barrel: Must precisely match original specifications for reliable torque and power reserve.

Balance Wheel and Balance Staff: Precision components requiring exact fit and quality replacement for accurate timekeeping.

Rotor Assembly and Bearings: Critical for automatic winding efficiency; worn parts must be replaced with compatible originals or high-quality NOS.

Pallet Fork and Escape Wheel: Wear-prone escapement components needing original or NOS replacements to maintain smooth operation.

Gear Train Wheels (Minute, Third, Fourth): Commonly 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 date setting operations. Compatible Swiss-made winding stems are available.

Jewels: Synthetic ruby bearings arranged to minimize friction; replacement jewels must correspond to original layout and count.

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

Sourcing and Maintenance Tips

Use original, NOS, or donor parts labeled for AS 1749 to ensure perfect compatibility and maintain movement integrity.

Handle delicate components such as the balance wheel, escapement, and rotor assembly carefully during servicing.

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

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

Donor AS 1749 movements are valuable sources for hard-to-find or worn components.

Why AS 1749 Spare Parts Matter

Genuine spare parts preserve the calibre’s accuracy, automatic winding reliability, and mechanical durability essential for dependable function.

Proper restoration with authentic parts maintains the historical significance and collector appeal of these classic Swiss automatic watches.

The detailed technical documentation and active vintage watchmaker community support efficient parts sourcing and expert servicing.

Maintaining the A. Schild AS 1749 calibre with quality spare parts is vital for preserving the performance and heritage of these distinguished vintage automatic wristwatches.

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A. Schild (AS) Calibre 1767 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1767 is a vintage Swiss automatic mechanical movement distinguished by its robust automatic winding system, sweep seconds hand, and dual calendar functions featuring day and date complications. This calibre, measuring 25.60 mm (11.5 lignes) in diameter with a height of approximately 5.85 mm, runs at a beat rate of 18,000 vibrations per hour (vph) and commonly features 17 or 21 synthetic ruby jewels. It offers a power reserve of about 41 hours, making it a reliable choice for mid-20th-century gentleman’s watches.
Key Technical Highlights

Calibre: AS 1767

Movement Type: Automatic, mechanical

Diameter: 25.60 mm (11.5 lignes)

Height: 5.85 mm

Jewels: 17 or 21 synthetic ruby jewels

Beat Rate: 18,000 vph

Power Reserve: About 41 hours

Functions: Hours, minutes, sweep seconds, day (set +/- 24h), date (set by changing time between 20:30 and 24:00)

Shock Protection: Vintage systems such as Incabloc

Notable: Ball-bearing rotor for smooth automatic winding

Common Spare Parts and Components

Mainspring and Barrel: Must match original specifications for reliable torque and power reserve. NOS replacement parts often available.

Balance Wheel and Balance Staff: Precision parts requiring exact fitment and shock protection for accurate timekeeping.

Rotor Assembly and Bearings: Critical for efficient automatic winding; worn parts should be replaced with quality or NOS components.

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

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

Setting Mechanism (Stem, Crown, Levers, Springs): Must fit perfectly for smooth winding, time, and calendar adjustments. Original Swiss-made winding stems available.

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

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

Sourcing and Maintenance Tips

Use original, NOS, or donor parts explicitly marked for AS 1767 to ensure compatibility and maintain movement integrity.

Handle delicate components, especially the balance wheel and rotor assembly, with care during servicing.

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

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

Donor AS 1767 movements can be valuable sources for rare or worn components.

Why AS 1767 Spare Parts Matter

Authentic parts maintain the calibre’s accuracy, automatic winding reliability, and mechanical durability, crucial for dependable operation.

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

The detailed technical documentation and active watchmaker community facilitate efficient parts sourcing and expert servicing.

Maintaining the A. Schild AS 1767 calibre with quality spare parts is essential to ensure these distinguished vintage automatic wristwatches continue to perform reliably and retain their prestigious place in horological history.

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A. Schild (AS) Calibre 1775 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1775 is a vintage Swiss automatic mechanical movement, recognized for being the smallest industrially manufactured automatic calibre by diameter. Developed and used from 1967 onwards, it is valued for its compact design, precise automatic winding, and reliable performance in small wristwatches.
Key Technical Highlights

Calibre: AS 1775

Movement Type: Automatic, mechanical

Diameter: Notably small, the smallest industrial automatic movement diameter

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

Jewels: Commonly equipped with synthetic ruby jewels for reduced friction and durability

Functions: Hours, minutes, sweep seconds, automatic winding

Notable Features: Compact size ideal for slim wristwatches

Common Spare Parts and Components

Mainspring and Barrel: Must match original specifications to ensure consistent torque and reliable power reserve.

Balance Wheel and Balance Staff: Precision parts critical for timing accuracy and shock resistance; must fit exactly for smooth function.

Rotor Assembly and Bearings: Essential for the automatic winding process; worn rotor parts or bearings require precise replacement for efficient performance.

Pallet Fork and Escape Wheel: Wear-prone escapement components; sourcing original or high-quality new-old-stock (NOS) parts ensures smooth operation.

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

Setting Mechanism (Stem, Crown, Levers, Springs): Precise fitment required to maintain reliable winding, time setting, and hand adjustment. Winding stems for AS 1775 are available as original Swiss-made parts.

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

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

Sourcing and Maintenance Tips

Use original, NOS, or donor parts clearly marked for AS 1775 to ensure compatibility and preserve movement integrity.

Handle delicate components such as balance wheel, rotor assembly, and escapement with care 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 1775 movements are valuable sources for rare or worn spare components.

Why AS 1775 Spare Parts Matter

Authentic parts maintain the calibre’s accuracy, reliability, and automatic winding efficiency, critical for proper functionality.

Correct restoration with genuine components preserves the historical significance and collector appeal of these compact vintage automatic watches.

The detailed technical documentation and active watchmaker community facilitate precise parts sourcing and expert servicing.

Maintaining the A. Schild AS 1775 calibre with quality spare parts is essential to ensure these uniquely compact vintage automatic movements continue to perform reliably and preserve their important place in Swiss horological heritage.

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A. Schild (AS) Calibre 1780 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1780 is a vintage Swiss manual-wind mechanical movement well-regarded for its compact size, high-beat accuracy, and reliable construction. It measures approximately 8.75 lignes (around 19.4 mm) in diameter and is favored for small wristwatches requiring precise timekeeping. The calibre runs at a beat rate of 21,600 vibrations per hour (vph) and typically features 17 synthetic ruby jewels with a power reserve of about 38 hours.
Key Technical Highlights

Calibre: AS 1780

Movement Type: Manual winding, mechanical with sweep seconds

Diameter: 8.75 lignes (~19.4 mm)

Beat Rate: 21,600 vph

Jewels: 17 synthetic ruby jewels (sometimes 21 in variants)

Power Reserve: Approximately 38 hours

Shock Protection: Incabloc anti-shock system

Balance: Nickel anular balance with clockwise hairspring, moveable stud

Lift Angle: 52°

Functions: Hours, minutes, sweep seconds

Common Spare Parts and Components

Mainspring and Barrel: Essential for consistent power and torque; replacement parts should match original specs for reliable function.

Balance Wheel and Balance Staff: Precision components critical for maintaining accurate timekeeping and shock resistance; require exact fit and quality replacements.

Pallet Fork and Escape Wheel: Wear-prone escapement parts; optimal to use original or high-quality new-old-stock (NOS) components.

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): Require accurate fitting to ensure smooth winding, time setting, and hand adjustment.

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

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

Sourcing and Maintenance Tips

Use original, NOS, or donor parts specifically marked for AS 1780 to ensure proper compatibility and maintain movement integrity.

Handle fragile components, particularly balance assembly and escapement parts, with great care during servicing.

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

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

Donor AS 1780 movements can provide valuable sources for rare or worn components.

Why AS 1780 Spare Parts Matter

Authentic parts preserve the calibre’s high-beat accuracy, reliability, and mechanical durability, key for precise performance.

Proper restoration with genuine components sustains the historical significance and collector appeal of these classic compact manual-wind watches.

The detailed technical documentation and active watchmaker community facilitate efficient parts sourcing and expert repair.

Maintaining the A. Schild AS 1780 calibre with quality spare parts ensures these refined vintage manual-wind movements continue to perform reliably while honoring their heritage in Swiss horology.

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A. Schild (AS) Calibre 1781 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1781 is a vintage Swiss manual-wind mechanical movement highly regarded for its precision, compact size, and classic complications. It features a sweep seconds hand and a date complication, making it popular among collectors and watchmakers restoring mid-20th-century small wristwatches. The calibre measures approximately 8.75 lignes (about 19.4 mm) in diameter, operates at a beat rate of 21,600 vibrations per hour (vph), and contains 17 synthetic ruby jewels.
Key Technical Highlights

Calibre: AS 1781

Movement Type: Manual winding, mechanical

Diameter: 8.75 lignes (~19.4 mm)

Jewels: 17 synthetic ruby jewels

Beat Rate: 21,600 vph

Functions: Hours, minutes, sweep seconds, date

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

Date Setting: Typically set by moving the hands between 8 PM and midnight

Common Spare Parts and Components

Mainspring and Barrel: Ensure stable power delivery that matches original engine specifications for torque and power reserve.

Balance Wheel and Balance Staff: Precision parts crucial for accurate timekeeping and shock resistance; replacements should be exact fits.

Pallet Fork and Escape Wheel: Wear-prone escapement parts; sourcing original or high-quality new-old-stock (NOS) parts maintains smooth operation.

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

Setting Mechanism (Stem, Crown, Levers, Springs): Accurate fitting parts essential for smooth winding, time setting, and date adjustment.

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

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

Sourcing and Maintenance Tips

Use original, NOS, or donor parts clearly marked for AS 1781 to maintain compatibility and preserve movement quality.

Handle delicate elements—especially balance, escapement, and setting mechanisms—with care during servicing.

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

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

Donor AS 1781 movements are valuable sources for rare or worn components.

Why AS 1781 Spare Parts Matter

Genuine spare parts preserve the calibre’s accuracy, mechanical reliability, and vintage character essential for dependable function.

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

Detailed technical documentation and a supportive watchmaker community enable efficient parts sourcing and expert repair.

Maintaining the A. Schild AS 1781 calibre with quality spare parts is essential for ensuring these refined vintage manual-wind watches continue performing reliably while upholding their important place in Swiss horology.

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A. Schild (AS) Calibre 1782 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1782 is a vintage Swiss automatic mechanical movement known for its reliability, compact size, and classic features. It measures approximately 8.75 lignes (19.4 mm) in diameter with a height of about 4.9 mm. The calibre typically contains 17 or 21 synthetic ruby jewels, operates at a beat rate of 18,000 vibrations per hour (vph), and offers a power reserve of around 38 hours. This calibre is well-regarded for its sweep seconds and automatic winding efficiency.
Key Technical Highlights

Calibre: AS 1782

Movement Type: Automatic, mechanical

Diameter: 19.4 mm (8.75 lignes)

Height: 4.9 mm

Jewels: 17 or 21 synthetic ruby jewels

Beat Rate: 18,000 vph

Power Reserve: Approximately 38 hours

Functions: Hours, minutes, sweep seconds, automatic winding

Shock Protection: Standard vintage anti-shock system with a lift angle of 52°

Common Spare Parts and Components

Mainspring and Barrel: Critical for providing stable power delivery; replacements must match original specifications for consistent torque and reliability.

Balance Wheel and Balance Staff: Delicate, precision parts essential for accuracy and shock absorption; require exact fitment and quality compatible replacements.

Rotor Assembly and Bearings: Key to smooth automatic winding; worn rotor parts and bearings should be replaced with original or high-quality new-old-stock (NOS) components.

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

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): Must fit precisely to maintain reliable winding, time setting, and hand adjustment functions.

Jewels: Synthetic ruby bearings designed to reduce friction; replacements must match the original configuration to preserve movement integrity.

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

Sourcing and Maintenance Tips

Use original, NOS, or donor parts clearly marked for AS 1782 to guarantee perfect compatibility and maintain movement quality.

Handle delicate components like the balance wheel, rotor assembly, and escapement 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 1782 movements can be valuable sources for rare or worn components.

Why AS 1782 Spare Parts Matter

Genuine parts ensure the calibre’s accuracy, reliability, and automatic winding efficiency, crucial for dependable performance.

Proper servicing with authentic components helps maintain the historical significance and collector appeal of these classic Swiss automatic movements.

The well-documented technical design and active watchmaker community facilitate reliable parts sourcing and expert repair.

Maintaining the A. Schild AS 1782 calibre with quality spare parts is essential for keeping these refined vintage automatic watches running smoothly and preserving their important place in Swiss horology.

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A. Schild (AS) Calibre 1783 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1783 is a vintage Swiss automatic mechanical movement highly regarded for its reliability, compact size, and classic complications including sweep seconds and date function. It is a refined calibre based on the AS 1780, with a quickset date feature allowing instant change at midnight. Its high beat rate enhances precision, making it a popular choice for vintage ladies’ and small wristwatches.
Key Technical Highlights

Calibre: AS 1783

Movement Type: Automatic, mechanical with sweep seconds and date complication

Diameter: Approximately 19.4 mm (8.75 lignes)

Height: About 5.15 mm

Jewels: 17 or 21 synthetic ruby jewels

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

Power Reserve: Around 38 hours

Shock Protection: Incabloc anti-shock system

Balance: Nickel anular balance with clockwise hairspring and movable stud

Lift Angle: 52°

Date Setting: Typically set by changing time between 9:30 PM and midnight

Common Spare Parts and Components

Mainspring and Barrel: Essential for steady power flow; original or NOS parts ensure proper torque and power reserve.

Balance Wheel and Balance Staff: Precision components crucial for timing accuracy and shock absorption; require exact replacements.

Rotor Assembly and Bearings: Critical for efficient automatic winding; worn components should be replaced with quality original or new-old-stock (NOS) parts.

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

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

Setting Mechanism (Stem, Crown, Levers, Springs): Precise fitting parts ensure smooth winding, time, and date setting functionalities.

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

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

Sourcing and Maintenance Tips

Use original, NOS, or donor parts specified for AS 1783 to guarantee compatibility and maintain movement quality.

Handle delicate components like the balance, escapement, and rotor with care during servicing.

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

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

Donor AS 1783 movements serve as valuable resources for rare and worn spare parts.

Why AS 1783 Spare Parts Matter

Authentic parts preserve the calibre’s precision, automatic winding reliability, and durability, essential for longevity and accurate timekeeping.

Proper restoration with genuine components sustains the historical importance and collector appeal of these classic Swiss automatic watches.

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

Maintaining the A. Schild AS 1783 calibre with high-quality spare parts ensures these sophisticated vintage automatic wristwatches continue to perform reliably while honoring their esteemed place in Swiss horological history.