A. Schild (AS) Calibre 5152 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 5152 is a Swiss automatic mechanical movement widely valued for its reliability and precision. Part of the well-known AS 5100 series, this calibre delivers robust performance, making it a favored option for vintage watch repairs and collectors seeking authentic parts.
Key Technical Highlights
Calibre: AS 5152
Movement Type: Automatic, mechanical
Jewels: Typically 17 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (3 Hz)
Power Reserve: Approximately 50 hours
Functions: Hours, minutes, sweep seconds, day-date complications
Lift Angle: Approximately 52°
Common Spare Parts and Components
Mainspring and Barrel: Original or New-Old-Stock (NOS) mainsprings ensure steady power transmission and longevity.
Balance Wheel and Balance Staff: Precision parts vital for accurate timekeeping and shock absorption; exact replacements required.
Pallet Fork and Escape Wheel: Critical escapement parts prone to wear; use genuine or NOS parts for optimal function.
Gear Train Wheels: Minute, third, and fourth wheels often replaced, sourced from NOS or donor movements.
Setting Mechanism (Stem, Crown, Levers, Springs): Well-fitting components necessary for smooth winding and time/date setting.
Jewels: Synthetic ruby bearings reduce friction and wear; replacements must adhere to original layout.
Hands and Dial Components: Authentic parts preserve the vintage aesthetics and boost collector value.
Sourcing and Maintenance Tips
Use original, NOS, or donor parts designed explicitly for AS 5152 to ensure perfect fit and quality.
Handle balance and escapement parts with care during servicing to prevent damage.
Apply modern synthetic oils sparingly, following best practices in vintage watch lubrication.
Confirm the calibre number on the movement before ordering parts to avoid compatibility issues.
Donor AS 5152 movements are valuable parts sources for rare or discontinued components.
Why AS 5152 Spare Parts Matter
Genuine spare parts maintain the calibre’s accuracy, durability, and smooth automatic winding and complication function, key for reliable vintage watch performance.
Authentic restorations protect the historical importance and collector appeal of Swiss mechanical watches.
Comprehensive technical documentation and watchmaker networks facilitate efficient repairs and sourcing.
Maintaining your A. Schild AS 5152 calibre with quality spare parts ensures reliable operation and honors its place in Swiss horology.
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Stem, Crown, Hands & Spares might be available for this movement.
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