A Schild – AS Calibre 1775 Watch spare parts
| A Schild – AS Calibre 1775 – Part No. 100 plate |
| A Schild – AS Calibre 1775 – Part No. 105 Barrel bridge |
| A Schild – AS Calibre 1775 – Part No. 118 Combined bridge |
| A Schild – AS Calibre 1775 – Part No. 121 Balance cock |
| A Schild – AS Calibre 1775 – Part No. 125 Pallet cock |
| A Schild – AS Calibre 1775 – Part No. 163/1 Center pipe |
| A Schild – AS Calibre 1775 – Part No. 182 Barrel and cover |
| A Schild – AS Calibre 1775 – Part No. 195 Barrel arbor |
| A Schild – AS Calibre 1775 – Part No. 200/1 Large driving wheel |
| A Schild – AS Calibre 1775 – Part No. 210 Third wheel |
| A Schild – AS Calibre 1775 – Part No. 227 Sweep second wheel |
| A Schild – AS Calibre 1775 – Part No. 240 Cannon pinion with clam notch |
| A Schild – AS Calibre 1775 – Part No. 243 Cannon pinion without clam notch |
| A Schild – AS Calibre 1775 – Part No. 255 Hour wheel |
| A Schild – AS Calibre 1775 – Part No. 260 Minute wheel |
| A Schild – AS Calibre 1775 – Part No. 301 Regulator for flat hairspring |
| A Schild – AS Calibre 1775 – Part No. 311 Upper cap jewel with end-piece, for balance |
| A Schild – AS Calibre 1775 – Part No. 330 Lower cap jewel with end-piece,for balance |
| A Schild – AS Calibre 1775 – Part No. 401 Winding stem |
| A Schild – AS Calibre 1775 – Part No. 407 Clutch wheel |
| A Schild – AS Calibre 1775 – Part No. 410 Winding pinion |
| A Schild – AS Calibre 1775 – Part No. 415 Ratchet wheel |
| A Schild – AS Calibre 1775 – Part No. 420 Crown wheel |
| A Schild – AS Calibre 1775 – Part No. 422 Crown wheel ring |
| A Schild – AS Calibre 1775 – Part No. 425 Click |
| A Schild – AS Calibre 1775 – Part No. 430 Click spring |
| A Schild – AS Calibre 1775 – Part No. 435 Yoke |
| A Schild – AS Calibre 1775 – Part No. 440 Yoke spring |
| A Schild – AS Calibre 1775 – Part No. 443 Setting lever |
| A Schild – AS Calibre 1775 – Part No. 445 Setting Iever spring |
| A Schild – AS Calibre 1775 – Part No. 450 Setting wheel |
| A Schild – AS Calibre 1775 – Part No. 468 Cannon pinion guard |
| A Schild – AS Calibre 1775 – Part No. 482 Setting lever return-spring |
| A Schild – AS Calibre 1775 – Part No. 703 Escape wheel and pinion |
| A Schild – AS Calibre 1775 – Part No. 710 Jewelled pallet fork |
| A Schild – AS Calibre 1775 – Part No. 714 Pallet staff |
| A Schild – AS Calibre 1775 – Part No. 721 Complete Balance |
| A Schild – AS Calibre 1775 – Part No. 730 Roller |
| A Schild – AS Calibre 1775 – Part No. 770 Mainspring |
| A Schild – AS Calibre 1775 – Part No. 775 Brake spring |
| A Schild – AS Calibre 1775 – Part No. 1141/1 Lower bridge for automatic device |
| A Schild – AS Calibre 1775 – Part No. 1142 Upper bridge for automatic device |
| A Schild – AS Calibre 1775 – Part No. 1143/1 Oscillating weight, mounted |
| A Schild – AS Calibre 1775 – Part No. 1428 Stop click |
| A Schild – AS Calibre 1775 – Part No. 1448 Stop click Spring |
| A Schild – AS Calibre 1775 – Part No. 1464 Stop click lid |
| A Schild – AS Calibre 1775 – Part No. 1480 Winding-up wheel |
| A Schild – AS Calibre 1775 – Part No. 1482 Driving gear for crown wheel |
| A Schild – AS Calibre 1775 – Part No. 1488 Pawl winding wheel, complete |
| A Schild – AS Calibre 1775 – Part No. 1491Oscillating weight bolt |
| A Schild – AS Calibre 1775 – Part No. 1496 Oscillating weight axle |
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A. Schild (AS) Calibre 1775 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1775 is a vintage Swiss automatic mechanical movement, recognized for being the smallest industrially manufactured automatic calibre by diameter. Developed and used from 1967 onwards, it is valued for its compact design, precise automatic winding, and reliable performance in small wristwatches.
Key Technical Highlights
Calibre: AS 1775
Movement Type: Automatic, mechanical
Diameter: Notably small, the smallest industrial automatic movement diameter
Beat Rate: Typically 18,000 vibrations per hour (vph)
Jewels: Commonly equipped with synthetic ruby jewels for reduced friction and durability
Functions: Hours, minutes, sweep seconds, automatic winding
Notable Features: Compact size ideal for slim wristwatches
Common Spare Parts and Components
Mainspring and Barrel: Must match original specifications to ensure consistent torque and reliable power reserve.
Balance Wheel and Balance Staff: Precision parts critical for timing accuracy and shock resistance; must fit exactly for smooth function.
Rotor Assembly and Bearings: Essential for the automatic winding process; worn rotor parts or bearings require precise replacement for efficient performance.
Pallet Fork and Escape Wheel: Wear-prone escapement components; sourcing original or high-quality new-old-stock (NOS) parts ensures smooth operation.
Gear Train Wheels (Minute, Third, Fourth): Frequently replaced due to wear or damage; typically sourced from donor movements or NOS.
Setting Mechanism (Stem, Crown, Levers, Springs): Precise fitment required to maintain reliable winding, time setting, and hand adjustment. Winding stems for AS 1775 are available as original Swiss-made parts.
Jewels: Synthetic ruby bearings arranged to minimize friction; replacement jewels must correspond exactly to the original layout.
Hands and Dial Components: Period-correct parts preserve vintage authenticity and collector value.
Sourcing and Maintenance Tips
Use original, NOS, or donor parts clearly marked for AS 1775 to ensure compatibility and preserve movement integrity.
Handle delicate components such as balance wheel, rotor assembly, and escapement with care during servicing.
Apply modern synthetic watch oils sparingly, adhering to vintage lubrication standards for longevity and optimal performance.
Always verify the calibre number stamped on the main plate before ordering parts to avoid mismatches.
Donor AS 1775 movements are valuable sources for rare or worn spare components.
Why AS 1775 Spare Parts Matter
Authentic parts maintain the calibre’s accuracy, reliability, and automatic winding efficiency, critical for proper functionality.
Correct restoration with genuine components preserves the historical significance and collector appeal of these compact vintage automatic watches.
The detailed technical documentation and active watchmaker community facilitate precise parts sourcing and expert servicing.
Maintaining the A. Schild AS 1775 calibre with quality spare parts is essential to ensure these uniquely compact vintage automatic movements continue to perform reliably and preserve their important place in Swiss horological heritage.