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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.