A. Schild (AS) Calibre 2176 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 2176 is a high beat Swiss automatic mechanical movement widely appreciated for its precision, reliability, and day-date functions. Operating at 28,800 vibrations per hour with a lift angle of 54°, this calibre was predominantly used in the 1970s and remains popular among collectors and professional watchmakers.
Key Technical Highlights
Calibre: AS 2176
Movement Type: Automatic, mechanical
Diameter: 26 mm (11.5 lignes)
Height: Approximately 5.20 mm
Jewels: 25 synthetic ruby jewels
Beat Rate: 28,800 vibrations per hour (4 Hz)
Lift Angle: 54°
Functions: Hours, minutes, sweep seconds, day-date complication with quickset
Shock Protection: Typically Incabloc or an equivalent system
Period: Circa 1970s
Common Spare Parts and Components
Mainspring and Barrel: New-old-stock (NOS) or original parts to maintain power consistency and longevity.
Balance Wheel and Balance Staff: Precision engineered components vital for accuracy and shock resistance; exact replacements necessary.
Pallet Fork and Escape Wheel: Key escapement parts subject to wear; authenticated replacements keep the movement running smoothly.
Gear Train Wheels: Minute, third, and fourth wheels frequently replaced due to wear; sourced from NOS or donor movements.
Setting Mechanism (Stem, Crown, Levers, Springs): Properly fitted parts are crucial for smooth winding, time, and calendar setting.
Jewels: Synthetic ruby bearings minimize friction; replacements must match original layout to avoid functional issues.
Hands and Dial Components: Authentic hands and dial parts preserve vintage aesthetics and enhance collector value.
Day-Date Mechanism: Includes date jumpers, day discs, unlocking yokes critical for reliable calendar operation.
Sourcing and Maintenance Tips
Utilize original, NOS, or donor parts specifically designed for the AS 2176 calibre to ensure compatibility and optimal performance.
Handle delicate components, especially balance assemblies and escapement parts, carefully during servicing.
Use modern synthetic lubricants sparingly following vintage maintenance standards.
Confirm the calibre number on the movement before ordering parts to prevent errors.
Donor AS 2176 movements provide excellent sources for rare or discontinued parts.
Why AS 2176 Spare Parts Matter
Genuine spare parts maintain the calibre’s precision, reliable automatic winding, and smooth day-date quickset capabilities, key to enduring vintage watch performance.
Authentic restoration safeguards the historical and collector value intrinsic to Swiss mechanical movements.
Broad technical documentation and active watchmaker forums facilitate efficient repairs and parts sourcing.
Maintaining your A. Schild AS 2176 calibre with quality spare parts ensures dependable operation and respects its important legacy in Swiss horology.
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Stem, Crown, Hands & Spares might be available for this movement.
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