A Schild – AS Calibre 1287 Watch spare parts
| A Schild – AS Calibre 1287 – Part No. 100 plate |
| A Schild – AS Calibre 1287 – Part No. 105 Barrel bridge |
| A Schild – AS Calibre 1287 – Part No.110 Train-wheel bridge |
| A Schild – AS Calibre 1287 – Part No. 121 Balance cock |
| A Schild – AS Calibre 1287 – Part No. 125 Pallet cock |
| A Schild – AS Calibre 1287 – Part No. 182 Barrel and cover |
| A Schild – AS Calibre 1287 – Part No. 195 Barrel arbor |
| A Schild – AS Calibre 1287 – Part No. 201 Center wheel |
| A Schild – AS Calibre 1287 – Part No. 210 Third wheel |
| A Schild – AS Calibre 1287 – Part No. 224 Fourth wheel |
| A Schild – AS Calibre 1287 – Part No. 240 Cannon pinion |
| A Schild – AS Calibre 1287 – Part No. 250 Hour wheel |
| A Schild – AS Calibre 1287 – Part No. 260 Minute wheel |
| A Schild – AS Calibre 1287 – Part No. 301 Regulator for flat hairspring |
| A Schild – AS Calibre 1287 – Part No. 311 Upper cap jewel with end-piece, for balance |
| A Schild – AS Calibre 1287 – Part No. 330 Lower cap jewel with end-piece,for balance |
| A Schild – AS Calibre 1287 – Part No. 401 Winding stem |
| A Schild – AS Calibre 1287 – Part No. 407 Clutch wheel |
| A Schild – AS Calibre 1287 – Part No. 410 Winding pinion |
| A Schild – AS Calibre 1287 – Part No. 415 Ratchet wheel |
| A Schild – AS Calibre 1287 – Part No. 420 Crown wheel |
| A Schild – AS Calibre 1287 – Part No. 422 Crown wheel ring |
| A Schild – AS Calibre 1287 – Part No. 425 Click |
| A Schild – AS Calibre 1287 – Part No. 430 Click spring |
| A Schild – AS Calibre 1287 – Part No. 435 Yoke |
| A Schild – AS Calibre 1287 – Part No. 440 Yoke spring |
| A Schild – AS Calibre 1287 – Part No. 443 Setting lever |
| A Schild – AS Calibre 1287 – Part No. 445 Setting Iever spring |
| A Schild – AS Calibre 1287 – Part No. 450 Setting wheel |
| A Schild – AS Calibre 1287 – Part No. 705 Escape wheel and pinion |
| A Schild – AS Calibre 1287 – Part No. 710 Jewelled pallet fork |
| A Schild – AS Calibre 1287 – Part No. 721 Complete Balance |
| A Schild – AS Calibre 1287 – Part No. 770 Mainspring |
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A. Schild (AS) Calibre 1287 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1287 is a well-crafted vintage Swiss manual wind movement, introduced in the late 1940s. Known for its reliable construction, it features a directly driven sweep seconds hand, making it a popular choice among collectors and repair watchmakers specializing in mid-20th-century wristwatches.
Key Technical Highlights
Calibre: AS 1287
Movement Type: Manual wind, mechanical
Size: 10 1/2 lignes (approx. 23.2–23.7 mm diameter)
Height: Around 4.5 mm
Jewels: 17 synthetic ruby jewels, including cap jewels on escapement and gear train for reduced friction
Beat Rate: 18,000 vibrations per hour (vph)
Escapement: Pallet lever
Balance: Nickel screw balance with Unishock shock protection, hairspring moves counterclockwise
Winding: Yoke winding system
Power Reserve: Approximately 40 hours
Regulation: Long regulator arm with adjustable stud holder
Construction: Solid construction with separate center minute wheel bridge, considered state-of-the-art in its era
Common Spare Parts and Service Components
Mainspring and Barrel: Regular replacement needed due to fatigue; accurate sizing critical for proper power delivery.
Balance Staff and Balance Assembly: Delicate parts prone to wear or shock damage; original or compatible replacements recommended.
Pallet Fork and Escape Wheel: High wear components requiring correct fit for smooth escapement operation.
Wheels (Minute, Third, Fourth): Susceptible to tooth wear; sourcing from donor movements or NOS parts common.
Stem, Crown, and Winding Mechanism Components: Essential parts subject to wear; exact replacements necessary for reliable winding and time setting.
Jewels and Cap Jewels: Maintain low friction and durability; matching the original jewel setup is important.
Hands and Dial Components: Period-correct or restored hands and dials keep watch authenticity intact.
Sourcing Tips
Prefer original AS 1287-labeled spare parts or reliable donor movements for compatibility.
Sourcing from specialized vintage watch suppliers or watchmaker networks enhances chances of finding rare components.
Careful handling during servicing is necessary due to the movement’s delicate balance and escapement assembly.
Use modern synthetic oils sparingly, observing vintage lubrication standards.
Why AS 1287 Spare Parts Matter
Maintaining original or authentic spare parts ensures the reliable function, accuracy, and historical integrity of the watch.
The movement’s robust design and shock protection underscore its lasting appeal to collectors and vintage watch enthusiasts.
Proper parts sourcing facilitates effective restoration, preserving both the technical and aesthetic aspects of these mid-century Swiss watches.
AS Calibre 1287 stands as an exemplary Swiss manual-wind movement. Obtaining the correct spare parts is essential for sustaining its performance and preserving vintage watch heritage.