A. Schild (AS) Calibre 2073 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 2073 is a Swiss automatic watch movement recognized for its precision, robustness, and practical date function. Introduced around 1970, it is celebrated for its smooth automatic winding, reliable sweep seconds, and quickset date capability, making it popular among collectors and watchmakers restoring vintage watches.
Key Technical Highlights
Calibre: AS 2073
Movement Type: Automatic, mechanical
Diameter: 26 mm (11.5 lignes)
Height: Approximately 5.20 mm
Jewels: 17 or 25 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (3 Hz)
Power Reserve: About 46 hours
Functions: Hours, minutes, sweep seconds, quickset date
Shock Protection: Commonly equipped with Incabloc or equivalent
Period Used: Circa 1970
Common Spare Parts and Components
Mainspring and Barrel: Original or New-Old-Stock (NOS) mainsprings and barrels ensure reliable power delivery and torque.
Balance Wheel and Balance Staff: Precision parts vital for accurate timekeeping and shock resistance; exact matches necessary.
Pallet Fork and Escape Wheel: Escapement components susceptible to wear; use genuine or NOS parts for maintenance.
Gear Train Wheels: Minute, third, and fourth wheels often replaced due to wear and sourced from NOS or donor movements.
Setting Mechanism (Stem, Crown, Levers, Springs): Well-fitting parts essential for smooth winding, time setting, and calendar operation.
Jewels: Synthetic ruby bearings reduce friction and wear; replacements must conform to original layout for durability.
Hands and Dial Components: Period-appropriate components preserve vintage look and collector value.
Date Mechanism Components: Date jumper springs, unlocking yokes, and related parts are crucial for quickset date functionality.
Sourcing and Maintenance Tips
Only procure original, NOS, or donor parts specifically designed for AS 2073 for optimal fit and function.
Exercise care when handling delicate components like the balance assembly and escapement during servicing.
Lubricate sparingly using modern synthetic watch oils while following vintage servicing standards.
Always confirm the calibre number on the main plate before parts ordering to prevent errors.
Donor AS 2073 movements serve as valuable sources for rare or worn replacement parts.
Why AS 2073 Spare Parts Matter
Authentic parts ensure the calibre’s accuracy, lasting automatic winding efficiency, and smooth quickset date operation—key to a dependable vintage watch.
Using genuine components protects the historical and collector value of Swiss mechanical watches.
Comprehensive technical data and active watchmaker communities aid repairs and parts sourcing.
Maintaining the A. Schild AS 2073 calibre with quality spare parts guarantees ongoing reliability and honors its Swiss horological legacy.
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Stem, Crown, Hands & Spares might be available for this movement.
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