A Schild – AS Calibre 1951 Watch spare parts
| A Schild – AS Calibre 1951 – Part No. 100 plate |
| A Schild – AS Calibre 1951 – Part No. 105 Barrel bridge |
| A Schild – AS Calibre 1951 – Part No.110 Train-wheel bridge |
| A Schild – AS Calibre 1951 – Part No. 121 Balance cock |
| A Schild – AS Calibre 1951 – Part No. 125 Pallet cock |
| A Schild – AS Calibre 1951 – Part No. 182 Barrel and cover |
| A Schild – AS Calibre 1951 – Part No. 195 Barrel arbor |
| A Schild – AS Calibre 1951 – Part No. 201/1 Large driving wheel |
| A Schild – AS Calibre 1951 – Part No. 210 Third wheel |
| A Schild – AS Calibre 1951 – Part No. 227 Sweep Second Wheel |
| A Schild – AS Calibre 1951 – Part No. 240 Cannon pinion with clam notch |
| A Schild – AS Calibre 1951 – Part No. 243Cannon pinion without clam notch |
| A Schild – AS Calibre 1951 – Part No. 255 Hour wheel |
| A Schild – AS Calibre 1951 – Part No. 260 Minute wheel |
| A Schild – AS Calibre 1951 – Part No. 307/1 Regulator for flat hairspring |
| A Schild – AS Calibre 1951 – Part No. 375 Adjustable Stud Holder for flat hairspring |
| A Schild – AS Calibre 1951 – Part No. 401 Winding stem |
| A Schild – AS Calibre 1951 – Part No. 407 Clutch wheel |
| A Schild – AS Calibre 1951 – Part No. 410 Winding pinion |
| A Schild – AS Calibre 1951 – Part No. 415 Ratchet wheel |
| A Schild – AS Calibre 1951 – Part No. 420 Crown wheel |
| A Schild – AS Calibre 1951 – Part No. 422 Crown wheel ring |
| A Schild – AS Calibre 1951 – Part No. 425 Click |
| A Schild – AS Calibre 1951 – Part No. 430 Click spring |
| A Schild – AS Calibre 1951 – Part No. 435 Yoke |
| A Schild – AS Calibre 1951 – Part No. 440 Yoke spring |
| A Schild – AS Calibre 1951 – Part No. 443 Setting lever |
| A Schild – AS Calibre 1951 – Part No. 445 Setting Iever spring |
| A Schild – AS Calibre 1951 – Part No. 450 Setting wheel |
| A Schild – AS Calibre 1951 – Part No. 705 Escape wheel and pinion |
| A Schild – AS Calibre 1951 – Part No. 710 Jewelled pallet fork |
| A Schild – AS Calibre 1951 – Part No. 721 Complete Balance |
| A Schild – AS Calibre 1951 – Part No. 770 Mainspring |
| A Schild – AS Calibre 1951 – Part No. 3002 Shock-Protecting device,Upper |
| A Schild – AS Calibre 1951 – Part No. 3003 Shock-Protecting device,lower |
| A Schild – AS Calibre 1951 – Part No. 2535 Date indicator guard |
| A Schild – AS Calibre 1951 – Part No. 2543 Inteimediate date wheel |
| A Schild – AS Calibre 1951 – Part No. 2556 Date indicator driving wheel |
| A Schild – AS Calibre 1951 – Part No. 2557 Date indicator |
| A Schild – AS Calibre 1951 – Part No. 2575 Date Jumper spring |
| A Schild – AS Calibre 1951 – Part No. 2576 Date Jumper |
A. Schild (AS) Calibre 1951 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1951 is a vintage Swiss manual-winding mechanical movement valued for its reliability, precise timekeeping, and practical date complication. Produced primarily around the mid-20th century, this calibre features a sweep second function, manual winding, and a date display that is typically set by changing the time between 21:00 and midnight. It is highly regarded among collectors and watchmakers restoring classic wristwatches.
Key Technical Highlights
Calibre: AS 1951
Movement Type: Manual winding, mechanical with sweep seconds and date
Diameter: 25.60 mm (11.5 lignes)
Height: Approximately 4.50 mm
Jewels: 17 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (3 Hz)
Power Reserve: Around 46 hours
Functions: Hours, minutes, sweep seconds, date
Shock Protection: Vintage anti-shock system, typically Incabloc or equivalent
Signature Marks: AS, ST, or AS/ST
Common Spare Parts and Components
Mainspring and Barrel: Essential for reliable power delivery; original or New-Old-Stock (NOS) mainsprings ensure proper torque and longevity.
Balance Wheel and Balance Staff: Precision parts critical for accurate timekeeping and shock resistance; must be exact fit.
Pallet Fork and Escape Wheel: Wear-prone escapement components; sourcing original or NOS replacements ensures smooth operation.
Gear Train Wheels (Minute, Third, Fourth): Often replaced due to wear or damage; typically harvested from donor movements or NOS stock.
Setting Mechanism (Stem, Crown, Levers, Springs): Precise fitting parts vital for smooth winding, time setting, and quick date adjustment. Compatible winding stems such as Part No. 401 are commonly used.
Jewels: Synthetic ruby bearings positioned to minimize friction; replacements must match the original layout exactly.
Hands and Dial Components: Period-appropriate parts preserve the vintage aesthetic and maintain collector value.
Sourcing and Maintenance Tips
Use original, NOS, or donor parts specifically designated for AS 1951 to guarantee full compatibility and maintain movement integrity.
Handle delicate components like the balance assembly, escapement, and setting mechanism with care during servicing.
Apply modern synthetic watch oils sparingly and in accordance with vintage lubrication protocols to enhance longevity and performance.
Verify the calibre number stamped on the movement main plate before ordering parts to avoid mismatches.
Donor AS 1951 movements serve as valuable sources for rare or difficult-to-find components.
Why AS 1951 Spare Parts Matter
Genuine parts preserve the calibre’s accuracy, manual winding reliability, and smooth date functionality, essential for dependable vintage watch operation.
Authentic restoration maintains the historical significance and collector value of this classic Swiss manual-wind movement.
Well-documented technical specifications and an active watchmaker community support efficient parts sourcing and expert servicing.
Maintaining the A. Schild AS 1951 calibre with high-quality, authentic spare parts ensures these vintage mechanical watches continue to run reliably while honoring their respected place in Swiss horology heritage.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
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