A. Schild (AS) Calibre 5001 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 5001 is a sophisticated Swiss manual wind movement, part of the famous AS 5000 family. Known for its alarm complication and robust architecture, it is popular with collectors and watchmakers seeking vintage and specialty timepieces. The calibre measures 30 mm in diameter (13.25 lignes), 5.25 mm in height, and is available in both 17 and 21 jewel versions.
Key Technical Highlights
Movement Type: Manual winding, mechanical
Diameter: 30.00 mm (13.25 lignes)
Height: 5.25 mm
Jewels: 17 or 21 synthetic ruby jewels
Beat Rate: 28,800 vibrations per hour (4 Hz)
Functions: Sweep seconds, alarm complication, time, date-only (no day)
Lift Angle: 52°
Era: 1970s
Common Spare Parts and Components
Mainspring and Barrel: Original or New-Old-Stock (NOS) mainsprings ensure consistent power delivery and longevity.
Balance Wheel and Balance Staff: Precision components essential to accurate timekeeping and shock absorption.
Alarm Module Parts: Includes specialized alarm barrels, hammers, and gongs unique to the 5001’s alarm function.
Pallet Fork and Escape Wheel: Critical for escapement; genuine and NOS parts recommended for smooth performance.
Gear Train Wheels: Replacement minute, third, and fourth wheels typically sourced from donor movements or NOS stock.
Setting Mechanism (Stem, Crown, Levers, Springs): Accurate fit is vital for manual winding, alarm setting, and date correction.
Jewels: Synthetic ruby bearings minimize friction and wear, extending movement life.
Hands and Dial Components: Authentic parts are essential for maintaining collector appeal and proper function.
Sourcing and Maintenance Tips
Use original, NOS, or donor parts specifically made for AS 5001 to maintain performance and compatibility.
Confirm the calibre number on the main plate before ordering to avoid mismatches.
Handle delicate alarm components and balance parts with great care during repairs.
Donor AS 5001 and compatible family movements serve as excellent sources for rare and discontinued spare parts.
Why AS 5001 Spare Parts Matter
Genuine spares preserve the movement’s renowned alarm function, timing precision, and long-term reliability.
Proper restoration ensures value for collectors and the integrity of vintage watches.
Strong global communities and technical archives help streamline sourcing and expert servicing.
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Stem, Crown, Hands & Spares might be available for this movement.
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