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A. Schild (AS) Calibre 5007 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 5007 is a Swiss automatic mechanical movement well-regarded for its durability, precision, and useful complications. As part of the prominent AS 5000 family produced in the 1970s, this calibre features a unique combination of automatic winding with an integrated alarm function and date complication.
Key Technical Highlights
Calibre: AS 5007
Movement Type: Automatic, mechanical
Diameter: 30.00 mm (13.25 lignes)
Height: Approximately 2.55 mm (mounting height)
Jewels: 17, 21, or 25 synthetic ruby jewels
Beat Rate: 28,800 vibrations per hour (4 Hz)
Functions: Hours, minutes, sweep seconds, automatic alarm winding, date only complication
Power Reserve: Approximately 49 hours
Era: 1970s
Common Spare Parts and Components
Mainspring and Barrel: Original or New-Old-Stock (NOS) mainsprings and barrels offer consistent power and longevity.
Balance Wheel and Balance Staff: Vital for precision timekeeping and shock absorption; exact-fit replacements are necessary.
Alarm Module Parts: Specialized components such as alarm barrels, hammers, ratchets, and gongs unique to the AS 5007’s alarm functionality.
Pallet Fork and Escape Wheel: Wear-prone escapement components needing genuine or NOS replacements for optimal operation.
Gear Train Wheels: Replacement wheels like minute, third, and fourth wheels are often sourced from NOS or donor movements.
Setting Mechanism (Stem, Crown, Levers, Springs): Well-fitting parts essential for smooth automatic winding, alarm and date setting.
Jewels: Synthetic ruby bearings reduce friction and wear; replacements must match the original layout.
Hands and Dial Components: Authentic parts preserve vintage aesthetics and maintain collector value.
Sourcing and Maintenance Tips
Procure original, NOS, or donor parts tailored specifically for AS 5007 for assured compatibility and reliability.
Handle balance and alarm components carefully during servicing to avoid damage.
Use appropriate synthetic lubrication, applied sparingly and following vintage servicing protocols.
Always verify the calibre number on the movement before ordering parts to ensure accuracy.
Donor movements from the AS 5000 family serve as excellent spares sources.
Why AS 5007 Spare Parts Matter
Genuine parts sustain the calibre’s accurate timekeeping, reliable alarm function, and efficient automatic winding, enabling durable vintage watch performance.
Authentic restorations protect the historical value and collector appeal of these sought-after Swiss movements.
Extensive technical resources and active watchmaker communities facilitate efficient repairs and parts sourcing.
Maintaining your A. Schild AS 5007 calibre with quality spare parts guarantees longevity and upholds its legacy in Swiss watchmaking.
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Stem, Crown, Hands & Spares might be available for this movement.
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