A. Schild (AS) Calibre 1941 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1941 is a vintage Swiss manual winding mechanical movement valued for its precision, reliability, and balanced features. Produced primarily in the mid-20th century, it features sweep seconds and a date complication, making it a practical and elegant choice for classic wristwatches. The movement enjoys a solid reputation among collectors and watchmakers for restoration.
Key Technical Highlights
Calibre: AS 1941
Movement Type: Manual winding, mechanical with sweep seconds and date
Diameter: 23.30 mm (10.5 lignes)
Height: 4.50 mm
Jewels: 17 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (3 Hz)
Power Reserve: Approximately 46 hours
Shock Protection: Typically fitted with KIF or similar anti-shock system
Functions: Hours, minutes, sweep seconds, and date window
Lift Angle: Around 52°
Common Spare Parts and Components
Mainspring and Barrel: Use original or new-old-stock (NOS) mainsprings to ensure consistent power delivery and optimal torque.
Balance Wheel and Balance Staff: Precision components critical for accurate timekeeping and shock resistance; exact fit is essential for reliability.
Pallet Fork and Escape Wheel: Wear-prone escapement parts; authentic or NOS replacements help maintain smooth, precise operation.
Gear Train Wheels: Includes minute, third, and fourth wheels; replacements typically sourced from donor movements or NOS inventory.
Setting Mechanism (Stem, Crown, Levers, Springs): Accurate fitting parts are crucial for smooth winding, time setting, and date adjustment.
Jewels: Synthetic ruby bearings positioned to minimize friction; replacement jewels must conform exactly to original layout to maintain movement integrity.
Hands and Dial Components: Period-correct parts preserve vintage authenticity and enhance collector appeal.
Date Mechanism Components: Includes date jumper, unlocking yoke, and date indicator guard to ensure reliable date function.
Sourcing and Maintenance Tips
Always choose original, NOS, or donor parts specifically designated for AS 1941 to guarantee full compatibility and preserve movement quality.
Handle delicate components such as the balance assembly, escapement parts, and date mechanism carefully during servicing to avoid damage.
Apply modern synthetic watch lubricants sparingly, adhering to vintage lubrication standards for optimal longevity and performance.
Verify the calibre number stamped on the main plate before ordering parts to prevent mismatches.
Donor AS 1941 movements serve as invaluable sources for rare or worn parts.
Why AS 1941 Spare Parts Matter
Authentic spare parts ensure the calibre’s accuracy, reliable manual winding performance, and smooth date function, which are essential for dependable vintage watch operation.
Proper restoration with genuine components preserves the historical significance and collector value of these classic Swiss manual-wind wristwatches.
Easy access to detailed technical documentation and an active watchmaker community facilitates expert repairs and efficient parts sourcing.
Maintaining the A. Schild AS 1941 calibre with high-quality, authentic spare parts is essential to ensuring these vintage manual-wind watches continue running 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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