A. Schild (AS) Calibre 1885 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1885 is a vintage Swiss automatic mechanical movement celebrated for its robust performance and versatile complications. Produced around the 1980s, this calibre is distinguished by its sweep seconds, automatic winding, day and date display with quickset functions, making it a practical choice for mid-to-late 20th-century wristwatches.
Key Technical Highlights
Calibre: AS 1885
Movement Type: Automatic, mechanical
Diameter: 31.00 mm (13.75 lignes)
Height: Approximately 5.25 mm
Jewels: 17, 21, or 25 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (vph)
Power Reserve: About 42 hours
Functions: Hours, minutes, central sweep seconds, day (two languages, quickset), date (quickset by changing time between 20:20 and midnight)
Shock Protection: Vintage anti-shock system (typically Incabloc)
Rotor: Ball-bearing type rotor with a sophisticated excenter self-winding mechanism
Notable: No hairspring stud; hairspring clamped directly on terminal
Common Spare Parts and Components
Mainspring and Barrel: Deliver steady power; original or new-old-stock (NOS) mainsprings ensure consistent torque and longevity.
Balance Wheel and Balance Staff: Precision components vital for accurate timekeeping; must be exact fits with appropriate shock protection.
Rotor Assembly and Bearings: Key to smooth automatic winding; worn rotors or bearings require high-quality or NOS replacement parts.
Pallet Fork and Escape Wheel: Escapement parts prone to wear; sourcing original or quality NOS components preserves reliable 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 allow smooth winding, time, day, and date setting. Winding stems like Part No. 401 are compatible.
Jewels: Synthetic ruby bearings positioned to reduce friction; replacements must match original layout exactly.
Hands and Dial Components: Period-correct parts help maintain vintage originality and collector appeal.
Sourcing and Maintenance Tips
Use original, NOS, or donor parts clearly specified for AS 1885 to ensure compatibility and preserve movement quality.
Handle delicate components such as the balance assembly, escapement, and rotor with care during servicing.
Apply modern synthetic watch oils sparingly, following vintage lubrication protocols for longevity and optimal performance.
Always verify the calibre number stamped on the main plate before ordering parts to avoid mismatches.
Donor AS 1885 movements are valuable sources for rare or worn components.
Why AS 1885 Spare Parts Matter
Authentic parts preserve the calibre’s accuracy, reliability, and effective automatic winding, key for dependable daily wear.
Proper servicing with genuine parts maintains the historical significance and collectible value of these classic Swiss automatic watches.
Well-documented technical specifications and an active watchmaker community support efficient parts sourcing and expert repair.
Maintaining the A. Schild AS 1885 calibre with quality, authentic spare parts is essential for keeping these vintage automatics running smoothly while honoring their place in Swiss horological history.
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Stem, Crown, Hands & Spares might be available for this movement.
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