A. Schild (AS) Calibre 5156 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 5156 is a Swiss automatic mechanical movement known for its reliability and functionality. With a high beat rate of 28,800 vibrations per hour (4 Hz), this calibre features day and date display alongside sweep seconds, making it a versatile and sought-after movement in vintage watches.
Key Technical Highlights
Calibre: AS 5156
Movement Type: Automatic, mechanical
Beat Rate: 28,800 vibrations per hour (4 Hz)
Jewels: 17 synthetic ruby jewels
Lift Angle: 53°
Functions: Hour, minute, sweep seconds, day and date display
Shock Protection: Incabloc
Balance: Nickel annular balance with clockwise hairspring
Adjustments: Moveable stud, hairspring key adjuster
Common Spare Parts and Components
Mainspring and Barrel: Original or New-Old-Stock (NOS) mainspring and barrel to ensure power consistency and durability.
Balance Wheel and Balance Staff: Essential for precise timekeeping and shock resistance; genuine replacements are necessary.
Pallet Fork and Escape Wheel: Critical escapement parts prone to wear; NOS or original parts guarantee smooth function.
Gear Train Wheels: Replacement wheels such as minute, third, and fourth wheels are often needed; sourced from NOS or donor movements.
Setting Mechanism (Stem, Crown, Levers, Springs): Well-fitted components are vital for accurate time and date setting.
Jewels: Synthetic ruby bearings reduce friction; replacements must align with the original design.
Hands and Dial Components: Authentic parts maintain the movement’s vintage aesthetic and collector value.
Sourcing and Maintenance Tips
Procure original, NOS, or donor parts specifically for AS 5156 to ensure perfect compatibility and performance.
Handle delicate balance and escapement components carefully during servicing.
Lubricate with modern synthetic oils sparingly, adhering to vintage watch maintenance standards.
Confirm the calibre number on the movement before ordering parts to avoid errors.
Donor AS 5156 movements are excellent spares sources for rare or discontinued parts.
Why AS 5156 Spare Parts Matter
Genuine parts maintain the calibre’s accuracy, durability, and reliable automatic winding and complication function, crucial for dependable vintage watch operation.
Authentic restoration safeguards the historical value and collector appeal of classic Swiss movements.
Detailed technical information and active watchmaker communities facilitate efficient repairs and parts sourcing.
Maintaining your A. Schild AS 5156 calibre with quality spare parts ensures lasting performance and honors its legacy in horology.
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Stem, Crown, Hands & Spares might be available for this movement.
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