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A. Schild (AS) Calibre 2066 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 2066 is a classic Swiss automatic watch movement highly regarded for its precision, durability, and practical day-date complication. Widely used in the 1960s and 1970s, this calibre is praised for reliable winding, a smooth sweep seconds hand, and effective quickset day-date functionalities.
Key Technical Highlights
Calibre: AS 2066
Movement Type: Automatic, mechanical
Diameter: 25.60 mm (11.5 lignes)
Height: 5.95 mm
Jewels: 17, 21, or 25 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (3 Hz)
Power Reserve: Approximately 46 hours
Functions: Hours, minutes, sweep seconds, quickset day (one or two languages), quickset date
Shock Protection: Typically Incabloc or equivalent
Period Used: Primarily 1969–1978
Common Spare Parts and Components
Mainspring and Barrel: New-old-stock (NOS) or original mainsprings and barrels maintain consistent power with good torque.
Balance Wheel and Balance Staff: Essential for accurate timekeeping and shock absorption; genuine replacements critical.
Pallet Fork and Escape Wheel: Key escapement parts prone to wear; authentic or NOS parts recommended.
Automatic Rotor & Bearings: Necessary for efficient self-winding; worn components require replacement.
Gear Train Wheels (Minute, Third, Fourth): Regularly replaced wear parts; often sourced from donor movements or NOS stock.
Setting Mechanism (Stem, Crown, Levers, Springs): Accurate fit critical for smooth winding, setting, and calendar operations.
Jewels: Synthetic ruby bearings reduce friction; replacements must match original layout to preserve movement integrity.
Hands and Dial Components: Period-accurate parts help maintain vintage authenticity and collector value.
Calendar Components: Includes date jumper springs, unlocking yokes, and day/date discs vital for quickset reliability.
Sourcing and Maintenance Tips
Utilize original, NOS, or donor parts specifically designed for AS 2066 to maintain full compatibility.
Handle delicate components like balance assembly and escapement cautiously during service.
Apply modern synthetic lubricants judiciously according to vintage servicing standards to optimize longevity.
Always verify the calibre number on the main plate before ordering parts to minimize errors.
Donor AS 2066 movements constitute valuable resources for rare or worn parts.
Why AS 2066 Spare Parts Matter
Genuine parts preserve the calibre’s accuracy, robust automatic winding, and smooth quickset day-date function, vital for dependable vintage watch performance.
Authentic restoration safeguards the historical significance and collector appeal of this esteemed Swiss movement.
Rich technical documentation and active watchmaking networks support efficient parts sourcing and expert servicing.
Maintaining the A. Schild AS 2066 calibre with high-quality spare parts ensures continued reliable operation and honors this movement’s respected place in Swiss horological history.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
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