A Schild – AS Calibre 1940 Watch spare parts
| A Schild – AS Calibre 1940 – Part No. 100 plate |
| A Schild – AS Calibre 1940 – Part No. 105 Barrel bridge |
| A Schild – AS Calibre 1940 – Part No.110 Train-wheel bridge |
| A Schild – AS Calibre 1940 – Part No. 121 Balance cock |
| A Schild – AS Calibre 1940 – Part No. 125 Pallet cock |
| A Schild – AS Calibre 1940 – Part No. 182 Barrel and cover |
| A Schild – AS Calibre 1940 – Part No. 195 Barrel arbor |
| A Schild – AS Calibre 1940 – Part No. 201/1 Large driving wheel |
| A Schild – AS Calibre 1940 – Part No. 210 Third wheel |
| A Schild – AS Calibre 1940 – Part No. 227 Sweep Second Wheel |
| A Schild – AS Calibre 1940 – Part No. 240 Cannon pinion with clam notch |
| A Schild – AS Calibre 1940 – Part No. 243Cannon pinion without clam notch |
| A Schild – AS Calibre 1940 – Part No. 255 Hour wheel |
| A Schild – AS Calibre 1940 – Part No. 260 Minute wheel |
| A Schild – AS Calibre 1940 – Part No. 307/1 Regulator for flat hairspring |
| A Schild – AS Calibre 1940 – Part No. 375 Adjustable Stud Holder for flat hairspring |
| A Schild – AS Calibre 1940 – Part No. 401 Winding stem |
| A Schild – AS Calibre 1940 – Part No. 407 Clutch wheel |
| A Schild – AS Calibre 1940 – Part No. 410 Winding pinion |
| A Schild – AS Calibre 1940 – Part No. 415 Ratchet wheel |
| A Schild – AS Calibre 1940 – Part No. 420 Crown wheel |
| A Schild – AS Calibre 1940 – Part No. 422 Crown wheel ring |
| A Schild – AS Calibre 1940 – Part No. 425 Click |
| A Schild – AS Calibre 1940 – Part No. 430 Click spring |
| A Schild – AS Calibre 1940 – Part No. 435 Yoke |
| A Schild – AS Calibre 1940 – Part No. 440 Yoke spring |
| A Schild – AS Calibre 1940 – Part No. 443 Setting lever |
| A Schild – AS Calibre 1940 – Part No. 445 Setting Iever spring |
| A Schild – AS Calibre 1940 – Part No. 450 Setting wheel |
| A Schild – AS Calibre 1940 – Part No. 705 Escape wheel and pinion |
| A Schild – AS Calibre 1940 – Part No. 710 Jewelled pallet fork |
| A Schild – AS Calibre 1940 – Part No. 721 Complete Balance |
| A Schild – AS Calibre 1940 – Part No. 770 Mainspring |
| A Schild – AS Calibre 1940 – Part No. 3002 Shock-Protecting device,Upper |
| A Schild – AS Calibre 1940 – Part No. 3003 Shock-Protecting device,lower |
A. Schild (AS) Calibre 1940 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1940 is a vintage Swiss manual-wind mechanical movement known for its precision, robust build, and practical features such as sweep seconds. Primarily produced around the mid-20th century, this calibre offers reliable performance and remains sought after by collectors and watchmakers restoring classic wristwatches.
Key Technical Highlights
Calibre: AS 1940
Movement Type: Manual winding, mechanical with sweep seconds
Diameter: Approximately 23.7 to 23.3 mm (10.5 lignes)
Height: Around 4.5 mm
Jewels: 17 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (3 Hz)
Power Reserve: Approximately 46 hours
Lift Angle: About 52°
Functions: Hours, minutes, sweep seconds
Shock Protection: Vintage anti-shock system (likely Incabloc or equivalent)
Common Spare Parts and Components
Mainspring and Barrel: Critical for steady and reliable power delivery; original or New-Old-Stock (NOS) mainsprings are recommended for proper torque and longevity.
Balance Wheel and Balance Staff: Precision components vital for accurate timekeeping and shock absorption; exact fitting parts ensure dependable performance.
Pallet Fork and Escape Wheel: Wear-prone escapement parts; sourcing original or NOS components maintains smooth and reliable operation.
Gear Train Wheels (Minute, Third, Fourth): Common replacement parts due to wear; typically harvested from donor movements or NOS stock.
Setting Mechanism (Stem, Crown, Levers, Springs): Accurate fitting parts essential for smooth winding and time setting functions.
Jewels: Synthetic ruby bearings arranged to minimize friction; replacements must match the original layout to preserve movement integrity.
Hands and Dial Components: Period-correct parts help maintain vintage authenticity and enhance collector appeal.
Sourcing and Maintenance Tips
Use only original, NOS, or donor parts specifically designated for AS 1940 to ensure full compatibility and preserve movement quality.
Handle delicate components such as balance assemblies and escapement parts carefully during servicing to prevent damage.
Apply modern synthetic watch oils sparingly, following vintage lubrication standards for optimal longevity and performance.
Always verify the calibre number stamped on the movement main plate before ordering parts to avoid mismatches.
Donor AS 1940 movements are valuable sources for rare or worn components.
Why AS 1940 Spare Parts Matter
Genuine parts ensure the calibre’s accuracy, mechanical reliability, and smooth manual winding, essential for dependable vintage watch performance.
Restoration with authentic components preserves the historical significance and collector value of these classic Swiss manual-wind watches.
Detailed technical documentation and active watchmaker communities facilitate efficient parts sourcing and expert servicing.
Maintaining the A. Schild AS 1940 calibre with high-quality, authentic spare parts is crucial for preserving the functionality and integrity of these cherished vintage mechanical movements while honoring their 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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