A. Schild (AS) Calibre 5101 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 5101 is a classic Swiss manual-wind mechanical movement, known for its precision, durability, and reliable performance. This calibre measures 19.7 mm in diameter (8.75 lignes) and features 17 jewels and a beat rate of 21,600 vibrations per hour. Popular during the early 1970s, the AS 5101 offers a power reserve of approximately 50 hours, making it a favored choice for vintage watch collectors and horology enthusiasts.
Key Technical Highlights
Calibre: AS 5101
Movement Type: Manual winding, mechanical
Diameter: 19.7 mm (8.75 lignes)
Jewels: 17 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (3 Hz)
Power Reserve: Approximately 50 hours
Lift Angle: 53°
Period Used: Circa 1972 onwards
Common Spare Parts and Components
Mainspring and Barrel: Original or New-Old-Stock (NOS) mainsprings ensure consistent power and movement longevity.
Balance Wheel and Balance Staff: Precision parts essential for accurate timekeeping and shock resistance; accurate replacements are critical.
Pallet Fork and Escape Wheel: Escapement components prone to wear; genuine or NOS replacements ensure smooth operation.
Gear Train Wheels: Minute, third, and fourth wheels may require replacement sourced from NOS or donor movements.
Setting Mechanism (Stem, Crown, Levers, Springs): Well-fitting parts are vital for smooth winding and time setting.
Jewels: Synthetic ruby bearings reduce friction and wear; replacements must match original positions.
Hands and Dial Components: Authentic parts maintain vintage aesthetic and collector value.
Sourcing and Maintenance Tips
Always procure original, NOS, or donor parts designed specifically for AS 5101 to ensure proper fit and performance.
Handle delicate components like the balance and escapement carefully during servicing.
Apply modern synthetic lubricants sparingly following vintage watch maintenance standards.
Confirm the calibre number engraved on the movement before ordering parts to avoid incompatibility.
Donor AS 5101 movements are valuable sources for rare or discontinued parts.
Why AS 5101 Spare Parts Matter
Genuine parts preserve the calibre’s accuracy, durability, and smooth manual winding, essential for reliable vintage watch operation.
Authentic restoration safeguards the historical significance and boosts collector appeal of this classic Swiss movement.
Extensive technical documentation and watchmaker networks support efficient repairs and parts sourcing.
Maintaining your A. Schild AS 5101 calibre with quality spare parts guarantees longevity and honors its place in horology.
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Stem, Crown, Hands & Spares might be available for this movement.
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