A. Schild (AS) Calibre 1880 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1880 is a vintage Swiss manual winding mechanical movement introduced in the late 1960s, known for its modern construction and reliability. It features a robust design with a large mainspring barrel and balance, allowing for longer power reserve and higher precision. This calibre is prized by collectors and watchmakers for its efficient performance and classic build.
Key Technical Highlights
Calibre: AS 1880
Movement Type: Manual winding, mechanical
Diameter: 25.60 mm (11.5 lignes)
Height: 3.60 mm
Jewels: 17 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (vph)
Power Reserve: Approximately 48 hours
Lift Angle: 52°
Escapement: Swiss pallet lever escapement
Balance: Glucydur three-leg balance with Incabloc shock protection
Winding Mechanism: Yoke winding system
Setting Mechanism: Keyless works with yoke and 3-hole setting lever spring
Common Spare Parts and Components
Mainspring and Barrel: Original or New-Old-Stock (NOS) mainsprings recommended for consistent power delivery and longevity.
Balance Wheel and Balance Staff: Precision components critical for accurate timing and shock resistance; exact fit required.
Pallet Fork and Escape Wheel: Wear-prone escapement parts; sourcing original or NOS parts preserves smooth operation.
Gear Train Wheels: Includes minute, third, and center seconds wheels, driven indirectly for a compact and efficient gear train.
Setting Mechanism (Stem, Crown, Levers, Springs): Precise-fitting parts essential for smooth winding and time setting; compatible with AS part no. 401 winding stem.
Jewels: Synthetic ruby bearings positioned to reduce friction; replacements must match original layout.
Hands and Dial Components: Period-correct parts maintain vintage authenticity and collector appeal.
Sourcing and Maintenance Tips
Use only original, NOS, or donor parts specifically marked for AS 1880 to guarantee compatibility and preserve movement integrity.
Handle delicate components such as balance assemblies, escapement, and setting mechanism with care during service.
Apply modern synthetic watch oils sparingly following vintage lubrication standards to ensure optimal performance and longevity.
Verify the calibre number stamped on the movement main plate before ordering parts to avoid mismatches.
Donor AS 1880 movements are valuable sources for rare or worn parts.
Why AS 1880 Spare Parts Matter
Genuine parts ensure the calibre’s accuracy, reliability, and smooth manual winding essential for dependable vintage watch performance.
Proper restoration with authentic components preserves the historical significance and collector value of these mid-20th-century Swiss manual movements.
Detailed technical documentation and an active watchmaker community facilitate efficient parts sourcing and expert maintenance.
Maintaining the A. Schild AS 1880 calibre with high-quality spare parts ensures continued reliable performance while preserving the heritage of this valuable vintage Swiss movement.
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Stem, Crown, Hands & Spares might be available for this movement.
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