A. Schild (AS) Calibre 577.301 Watch Spare Parts: Overview and Sourcing Guide
The A. Schild (AS) Calibre 577.301 is a respected Swiss manual winding mechanical movement known for its reliability and precision. Operating at a beat rate of 21,600 vibrations per hour (3 Hz), this calibre is a favorite among vintage watch collectors and repair professionals.
Key Technical Highlights
Calibre: AS 577.301
Movement Type: Mechanical, manual winding
Beat Rate: 21,600 vibrations per hour (3 Hz)
Jewels: Typically 17 synthetic ruby jewels
Functions: Basic timekeeping with hour, minute, and seconds hands
Common Spare Parts and Components
Mainspring and Barrel: Genuine or New-Old-Stock (NOS) mainsprings ensure consistent and durable power output.
Balance Wheel and Balance Staff: Vital for accuracy and shock absorption; authentic replacements maintain precision.
Pallet Fork and Escape Wheel: Escapement components that must be precisely fitted to sustain smooth operation.
Gear Train Wheels: Minute, third, and fourth wheels sourced from NOS or donor movements.
Setting Mechanism (Stem, Crown, Levers, Springs): Properly fitting parts are necessary for accurate winding and time setting.
Jewels: Synthetic ruby bearings reduce wear and friction; replacements must correspond to original placement.
Hands and Dial Components: Original or period-correct parts help retain vintage aesthetics and collector value.
Sourcing and Maintenance Advice
Use original, NOS, or donor parts tailored specifically for AS 577.301 for guaranteed fit and performance.
Handle delicate parts like balance and escapement carefully during service and repair.
Apply synthetic lubricants sparingly following established vintage watch servicing procedures.
Confirm the calibre number engraved on the movement before ordering to avoid incompatibility.
Donor movements provide valuable spare parts for rare or discontinued components.
Importance of Genuine Spare Parts
Authentic parts ensure the calibre’s accuracy, longevity, and smooth mechanical functioning, essential for reliable vintage watch use.
Proper restoration preserves the historical significance and enhances collector appeal.
Supported by detailed technical documentation and watchmaker communities to facilitate efficient repair and sourcing.
Maintaining your A. Schild AS 577.301 calibre with genuine spare parts guarantees its dependable performance and honors its distinguished Swiss watchmaking heritage.
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Stem, Crown, Hands & Spares might be available for this movement.
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