A. Schild (AS) Calibre 5102 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 5102 is a renowned Swiss automatic mechanical movement recognized for its reliability and precision. With a robust design popular in the 1970s, this calibre is known for its practical day-date complication and efficient winding system, making it a favorite choice for vintage watch repairs and restorations.
Key Technical Highlights
Calibre: AS 5102
Movement Type: Automatic, mechanical
Diameter: Approximately 26 mm (11.5 lignes)
Jewels: Typically 17 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (3 Hz)
Power Reserve: Approximately 50 hours
Functions: Hours, minutes, sweep seconds, day-date display with quickset
Shock Protection: Incabloc or equivalent
Common Spare Parts and Components
Mainspring and Barrel: Original or New-Old-Stock (NOS) mainsprings maintain power consistency and durability.
Balance Wheel and Balance Staff: Precision parts critical for accurate timekeeping and shock resistance; exact matches needed.
Pallet Fork and Escape Wheel: Escapement components subject to wear; genuine or NOS replacements ensure smooth operation.
Gear Train Wheels: Minute, third, and fourth wheels often replaced, sourced from NOS or donor movements.
Setting Mechanism (Stem, Crown, Levers, Springs): Well-fitting components necessary for smooth time and date setting.
Jewels: Synthetic ruby bearings reduce wear and friction; replacements must match original layout.
Hands and Dial Components: Authentic parts preserve the watch’s vintage look and collector value.
Sourcing and Maintenance Tips
Use original, NOS, or donor parts specifically designed for AS 5102 for compatibility and quality.
Handle delicate components such as balance and escapement parts carefully.
Apply modern synthetic lubricants sparingly following vintage servicing protocols.
Verify the calibre number on the movement before ordering parts to avoid mistakes.
Donor AS 5102 movements are excellent parts sources for hard-to-find components.
Why AS 5102 Spare Parts Matter
Genuine parts ensure the calibre’s accuracy, durable automatic winding, and reliable day-date functions, critical for dependable vintage watch operation.
Authentic restoration enhances historical significance and collector appeal.
Technical data and active watchmaker communities support effective repairs and part sourcing.
Maintaining your A. Schild AS 5102 calibre with quality spare parts guarantees reliable performance and honours Swiss watchmaking legacy.
You can confirm the order by making a PayPal payment. My account email address is [email protected]
Watch Parts Enquiry
* If you are unable to fill out any of the required information fields, please type “N/A”.
Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
Mobile/WhatsApp: +91- 9841 360 340