A Schild – AS Calibre 1635 Watch spare parts
| A Schild – AS Calibre 1635– Part No. 100 plate |
| A Schild – AS Calibre 1635– Part No. 105 Barrel bridge |
| A Schild – AS Calibre 1635– Part No. 118 Combined bridge |
| A Schild – AS Calibre 1635– Part No. 121 Balance cock |
| A Schild – AS Calibre 1635– Part No. 125 Pallet cock |
| A Schild – AS Calibre 1635– Part No. 126 Center wheel cock |
| A Schild – AS Calibre 1635– Part No. 182 Barrel and cover |
| A Schild – AS Calibre 1635– Part No. 195 Barrel arbor |
| A Schild – AS Calibre 1635– Part No. 206 Center wheel |
| A Schild – AS Calibre 1635– Part No. 210 Third wheel |
| A Schild – AS Calibre 1635– Part No. 227 Sweep second wheel |
| A Schild – AS Calibre 1635– Part No. 245 Cannon pinion |
| A Schild – AS Calibre 1635– Part No. 255 Hour wheel |
| A Schild – AS Calibre 1635– Part No. 260 Minute wheel |
| A Schild – AS Calibre 1635– Part No. 301 Regulator for flat hairspring |
| A Schild – AS Calibre 1635– Part No. 311 Upper cap jewel with end-piece, for balance |
| A Schild – AS Calibre 1635– Part No. 330 Lower cap jewel with end-piece,for balance |
| A Schild – AS Calibre 1635– Part No. 401 Winding stem |
| A Schild – AS Calibre 1635– Part No. 407 Clutch wheel |
| A Schild – AS Calibre 1635– Part No. 410 Winding pinion |
| A Schild – AS Calibre 1635– Part No. 415 Ratchet wheel |
| A Schild – AS Calibre 1635– Part No. 420 Crown wheel |
| A Schild – AS Calibre 1635– Part No. 422 Crown wheel ring |
| A Schild – AS Calibre 1635– Part No. 425 Click |
| A Schild – AS Calibre 1635– Part No. 430 Click spring |
| A Schild – AS Calibre 1635– Part No. 435 Yoke |
| A Schild – AS Calibre 1635– Part No. 440 Yoke spring |
| A Schild – AS Calibre 1635– Part No. 443 Setting lever |
| A Schild – AS Calibre 1635– Part No. 445 Setting Iever spring |
| A Schild – AS Calibre 1635– Part No. 450 Setting wheel |
| A Schild – AS Calibre 1635– Part No. 468 Minute wheel cock |
| A Schild – AS Calibre 1635– Part No. 705 Escape wheel and pinion |
| A Schild – AS Calibre 1635– Part No. 710 Jewelled pallet fork |
| A Schild – AS Calibre 1635– Part No. 714 Pallet staff |
| A Schild – AS Calibre 1635– Part No. 721 Complete Balance |
| A Schild – AS Calibre 1635– Part No. 730 Roller |
| A Schild – AS Calibre 1635– Part No. 770 Mainspring |
| A Schild – AS Calibre 1635– Part No. 775 Brake spring |
| A Schild – AS Calibre 1635– Part No. 1141 Lower bridge for automatic device |
| A Schild – AS Calibre 1635– Part No. 1142 Upper bridge for automatic device |
| A Schild – AS Calibre 1635– Part No. 1143/1 Oscillating weight, mounted |
| A Schild – AS Calibre 1635– Part No. 1416 Lower ratchet wheel NOS) |
| A Schild – AS Calibre 1635– Part No. 1481 Reduction gear |
| A Schild – AS Calibre 1635– Part No. 1482 Driving gear for ratchet wheel |
| A Schild – AS Calibre 1635– Part No. 1488 Pawl winding wheel, complete |
| A Schild – AS Calibre 1635– Part No. 1496 Oscillating weight axle |
| A Schild – AS Calibre 1635– Part No. 1530 Additional pawl winding wheel (without pinion) |
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A. Schild (AS) Calibre 1635 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1635 is a vintage Swiss automatic mechanical movement known for its compact size, reliability, and precise automatic winding system. This calibre, measuring about 7 lignes, features 21 jewels and is equipped with Incabloc shock protection. It’s prized among collectors and watchmakers restoring mid-20th-century Swiss automatic watches.
Key Technical Highlights
Calibre: AS 1635
Movement Type: Automatic, self-winding mechanical
Diameter: Approximately 7 lignes (about 15.56 mm)
Jewels: 21 synthetic ruby jewels
Shock Protection: Incabloc
Functions: Hours, minutes, automatic winding
Characteristics: Compact size, robust automatic winding, and shock resistance
Common Spare Parts and Components
Mainspring and Barrel: Essential for energy storage; replacements must match original specifications for consistent power delivery.
Balance Wheel and Balance Staff: Critical for accurate timekeeping and shock absorption; exact fit and quality are vital.
Rotor Assembly and Bearings: Central for automatic winding; worn rotor axles or bearings require precise replacement for smooth winding.
Pallet Fork and Escape Wheel: Wear-prone escapement parts; original or high-quality new-old-stock (NOS) parts recommended.
Gear Train Wheels: Includes minute, third, and fourth wheels often sourced from donor movements or NOS inventory due to wear.
Setting Mechanism (Stem, Crown, Levers, Springs): Must fit precisely to ensure reliable winding and setting.
Jewels: Synthetic ruby bearings positioned to reduce friction; replacements must match the original layout for durability.
Hands and Dial: Period-correct parts maintain vintage authenticity and collector value.
Sourcing and Maintenance Tips
Use original, NOS, or donor parts specifically marked for AS 1635 to guarantee compatibility and authenticity.
Handle all delicate components, especially the balance and rotor assemblies, with care during servicing.
Employ modern synthetic watch oils sparingly and follow vintage lubrication guidelines for optimal longevity.
Always verify the calibre number stamped on the main plate before ordering parts to avoid compatibility issues.
Why AS 1635 Spare Parts Matter
Authentic spare parts maintain the calibre’s accuracy, automatic winding reliability, and vintage character.
Proper restoration preserves both the mechanical integrity and collector appeal of these compact Swiss automatic movements.
The documented design facilitates sourcing and expert servicing within the vintage watchmaker community.
Maintaining the A. Schild AS 1635 calibre with genuine, high-quality spare parts is essential to keep these classic automatic movements running reliably and preserving their historic Swiss watchmaking heritage.