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A. Schild (AS) Calibre 1632 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1632 is a vintage Swiss manual-wind mechanical movement valued for its compact size and reliable small seconds function. It is favored by collectors and watchmakers restoring small vintage wristwatches that require precise timing.
Key Technical Highlights
Calibre: AS 1632
Movement Type: Manual winding, mechanical
Diameter: Approximately 17.20 mm (7.75 lignes)
Functions: Hours, minutes, small seconds subdial
Beat Rate: Typically 18,000 vibrations per hour (vph)
Lift Angle: About 52 degrees
Common Spare Parts and Components
Mainspring and Barrel: Vital for consistent power delivery; replacement mainsprings must match original specifications for correct torque and duration.
Balance Wheel and Balance Staff: Delicate and precise parts critical for timekeeping accuracy and shock resistance; require exact fitting replacements.
Pallet Fork and Escape Wheel: Wear-prone escapement components; original or high-quality new-old-stock (NOS) parts are essential for smooth operation.
Gear Train Wheels: Minute, third, and fourth wheels prone to wear or damage; commonly sourced from donor movements or NOS stocks.
Setting Mechanism (Stem, Crown, Levers, Springs): Must fit precisely for reliable winding and time-setting functions.
Jewels: Synthetic ruby bearings reduce friction and wear; replacements must match original jewel layout and count.
Hands and Dial: Period-appropriate components maintain authentic look and collector value.
Sourcing and Maintenance Tips
Use original, NOS, or donor parts marked explicitly for AS 1632 to guarantee compatibility and maintain movement integrity.
Handle the balance assembly and escapement components carefully due to their delicate construction and precision.
Apply modern synthetic watch oils sparingly, following vintage lubrication guidelines to extend movement longevity.
Always verify the calibre number stamped on the main plate before ordering to avoid incompatibility.
Why AS 1632 Spare Parts Matter
Authentic parts preserve the calibre’s accuracy, reliability, and vintage authenticity, crucial for well-functioning restorations.
Proper restoration increases the historical significance and collector appeal of these compact vintage Swiss manual-wind watches.
The well-documented design aids in sourcing parts and technical servicing within the vintage watchmaker community.
Maintaining the A. Schild AS 1632 calibre with quality spare parts is essential to keep these refined vintage movements operating reliably and authentically.