A. Schild (AS) Calibre 2161 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 2161 is a well-regarded Swiss automatic mechanical movement known for its precision, robust construction, and smooth automatic winding. Widely used in vintage wristwatches, it offers a balanced combination of durability and performance, making it a favorite among watchmakers and collectors.
Key Technical Highlights
Calibre: AS 2161
Movement Type: Automatic, mechanical
Diameter: 25.60 mm (11.5 lignes)
Jewels: 17 to 25 synthetic ruby jewels
Beat Rate: 28,800 vibrations per hour (4 Hz)
Lift Angle: 54°
Power Reserve: Approximately 50 hours
Functions: Hours, minutes, sweep seconds, quickset date (in some models)
Shock Protection: Typically Incabloc or equivalent
Common Spare Parts and Components
Mainspring and Barrel: NOS (New Old Stock) or original mainsprings provide consistent power delivery and torque stability.
Balance Wheel and Balance Staff: Precision components essential for timekeeping accuracy and shock absorption; must be exact replacements.
Pallet Fork and Escape Wheel: Escapement parts that wear over time; authentic or NOS parts ensure reliable function.
Gear Train Wheels: Minute, third, and fourth wheels may require replacement depending on wear; NOS or donor movement parts are typical sources.
Setting Mechanism (Stem, Crown, Levers, Springs): Essential for smooth winding and time setting; correct fit is critical.
Jewels: Synthetic ruby bearings reduce friction and wear, replacement jewels should match original layout.
Hands and Dial Components: Period-appropriate parts are critical for maintaining vintage watch aesthetics and value.
Sourcing and Maintenance Tips
Always use original, NOS, or donor parts specifically made for the AS 2161 to ensure compatibility and maintain movement integrity.
Carefully handle delicate components like the balance assembly and escapement during servicing.
Apply modern synthetic lubricants sparingly, following vintage watch servicing protocols.
Verify the calibre number on the movement before ordering parts to avoid incompatibility issues.
Donor AS 2161 movements can be valuable sources for rare or worn parts.
Why AS 2161 Spare Parts Matter
Authentic parts preserve the calibre’s accuracy, high beat precision, and smooth automatic winding, key for reliable vintage watch performance.
Genuine restoration maintains the historical significance and collector appeal of these Swiss-made mechanical movements.
Detailed technical documentation and watchmaker networks facilitate expert repairs and parts sourcing.
Proper maintenance of the A. Schild AS 2161 calibre with quality spare parts ensures continued reliable operation and respect for Swiss horological tradition.
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Stem, Crown, Hands & Spares might be available for this movement.
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