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A. Schild (AS) Calibre 1895 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1895 is a vintage Swiss automatic mechanical movement highly regarded for its robust construction, reliable performance, and practical complications. Manufactured primarily in the late 1950s and early 1960s, this calibre features automatic winding with a bidirectional rotor, sweep seconds, and day-date complications, including a distinctive bow-shaped day aperture positioned between 11 and 1 o’clock on the dial.
Key Technical Highlights
Calibre: AS 1895
Movement Type: Automatic, mechanical with sweep seconds
Diameter: 31.00 mm (13.75 lignes)
Height: Approximately 5.25 mm
Jewels: Typically 25 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (3 Hz)
Power Reserve: Around 42 hours
Functions: Hours, minutes, sweep seconds, day (displayed through bow-aperture), date (quickset by changing time between 20:20 and 24:00)
Shock Protection: Vintage anti-shock system, commonly Incabloc
Rotor: Ball-bearing type for smooth and efficient automatic winding
Common Spare Parts and Components
Mainspring and Barrel: Essential for steady power delivery; use original or new-old-stock (NOS) mainsprings to maintain correct torque and longevity.
Balance Wheel and Balance Staff: Precision parts vital for accurate timekeeping and shock resistance; exact fitting parts ensure reliability.
Rotor Assembly and Bearings: Key to automatic winding efficiency; worn or damaged rotors and bearings should be replaced with genuine or high-quality NOS components.
Pallet Fork and Escape Wheel: Escapement parts prone to wear; sourcing original or NOS components preserves smooth operation and accuracy.
Gear Train Wheels (Minute, Third, Fourth): Common replacements due to wear; often sourced from donor movements or NOS stock.
Setting Mechanism (Stem, Crown, Levers, Springs): Precise fitting parts required for smooth winding, time setting, and quickset date/day adjustments.
Jewels: Synthetic ruby bearings positioned to minimize friction; replacements must precisely match the original layout.
Hands and Dial Components: Period-correct parts maintain vintage authenticity and enhance collector appeal.
Sourcing and Maintenance Tips
Always use original, NOS, or donor parts specifically designated for AS 1895 to ensure proper compatibility and preserve movement quality.
Handle delicate components such as the balance assembly, escapement, and rotor with care during servicing to avoid damage.
Apply modern synthetic watch oils sparingly and in accordance with vintage lubrication standards to prolong movement life and performance.
Verify the calibre number stamped on the main plate before ordering parts to avoid mismatches or incompatibilities.
Donor AS 1895 movements can be invaluable sources for rare, worn, or difficult-to-find spare parts.
Why AS 1895 Spare Parts Matter
Genuine parts maintain the calibre’s accuracy, reliable automatic winding, and durable performance, essential for dependable vintage watch operation.
Restoration using authentic components preserves the historical significance and collector value of these classic Swiss automatic wristwatches.
Detailed technical documentation and an active watchmaker community facilitate efficient parts sourcing and expert servicing.
Maintaining the A. Schild AS 1895 calibre with quality, authentic spare parts is vital to ensuring these vintage automatics continue to run smoothly while honoring their important place in Swiss horological heritage.
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Stem, Crown, Hands & Spares might be available for this movement.
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