A. Schild (AS) Calibre 5200 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 5200 is a Swiss manual wind movement recognized for its precision, low profile design, and robust construction. It features an indirectly driven minute hand allowing for a large balance, which contributes to stable and reliable timekeeping with a low profile suitable for thin watches.
Key Technical Highlights
Calibre: AS 5200
Movement Type: Manual winding, mechanical
Beat Rate: 21,600 vibrations per hour (3 Hz)
Functions: Hours, minutes, sweep seconds
Balance: Large size with indirect minute hand drive
Power Reserve: Typically around 40-48 hours
Lift Angle: Approximately 50°
Common Spare Parts and Components
Mainspring and Barrel: Original or New-Old-Stock (NOS) mainsprings ensure consistent power transmission and longevity.
Balance Wheel and Balance Staff: Critical for timing accuracy and shock resistance; authentic components required.
Pallet Fork and Escape Wheel: Key escapement parts that may wear and require replacement with NOS or original parts.
Gear Train Wheels: Includes minute, third, and fourth wheels; regularly replaced from NOS or donor movements.
Setting Mechanism (Stem, Crown, Levers, Springs): Smooth winding and time-setting depend on properly fitted components.
Jewels: Synthetic ruby bearings reduce friction; replacements must conform to original calibrations.
Hands and Dial Components: Essential to preserve vintage aesthetics and maintain collector value.
Sourcing and Maintenance Tips
Use original, NOS, or donor parts explicitly made for AS 5200 to ensure compatibility and high performance.
Handle fragile components such as the balance wheel and escapement with extra care during maintenance.
Apply modern synthetic oils sparingly according to traditional watchmaking practices.
Always verify the calibre number on the movement before ordering parts to guarantee accuracy.
Donor AS 5200 movements are excellent resources for rare or discontinued spare parts.
Why AS 5200 Spare Parts Matter
Genuine parts maintain the calibre’s accuracy, durability, and smooth manual operation, ensuring dependable vintage watch performance.
Authentic restoration preserves the historical importance and enhances collector appeal of these original Swiss movements.
Detailed technical documentation and active watchmaker communities support efficient repairs and parts sourcing.
Maintaining your A. Schild AS 5200 calibre with quality spare parts will ensure lasting performance and honor its horological heritage.
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Stem, Crown, Hands & Spares might be available for this movement.
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