A Schild – AS Calibre 1950 Watch spare parts
| A Schild – AS Calibre 1950 – Part No. 100 plate |
| A Schild – AS Calibre 1950 – Part No. 105 Barrel bridge |
| A Schild – AS Calibre 1950 – Part No.110 Train-wheel bridge |
| A Schild – AS Calibre 1950 – Part No. 121 Balance cock |
| A Schild – AS Calibre 1950 – Part No. 125 Pallet cock |
| A Schild – AS Calibre 1950 – Part No. 182 Barrel and cover |
| A Schild – AS Calibre 1950 – Part No. 195 Barrel arbor |
| A Schild – AS Calibre 1950 – Part No. 201/1 Large driving wheel |
| A Schild – AS Calibre 1950 – Part No. 210 Third wheel |
| A Schild – AS Calibre 1950 – Part No. 227 Sweep Second Wheel |
| A Schild – AS Calibre 1950 – Part No. 240 Cannon pinion with clam notch |
| A Schild – AS Calibre 1950 – Part No. 243Cannon pinion without clam notch |
| A Schild – AS Calibre 1950 – Part No. 255 Hour wheel |
| A Schild – AS Calibre 1950 – Part No. 260 Minute wheel |
| A Schild – AS Calibre 1950 – Part No. 307/1 Regulator for flat hairspring |
| A Schild – AS Calibre 1950 – Part No. 375 Adjustable Stud Holder for flat hairspring |
| A Schild – AS Calibre 1950 – Part No. 401 Winding stem |
| A Schild – AS Calibre 1950 – Part No. 407 Clutch wheel |
| A Schild – AS Calibre 1950 – Part No. 410 Winding pinion |
| A Schild – AS Calibre 1950 – Part No. 415 Ratchet wheel |
| A Schild – AS Calibre 1950 – Part No. 420 Crown wheel |
| A Schild – AS Calibre 1950 – Part No. 422 Crown wheel ring |
| A Schild – AS Calibre 1950 – Part No. 425 Click |
| A Schild – AS Calibre 1950 – Part No. 430 Click spring |
| A Schild – AS Calibre 1950 – Part No. 435 Yoke |
| A Schild – AS Calibre 1950 – Part No. 440 Yoke spring |
| A Schild – AS Calibre 1950 – Part No. 443 Setting lever |
| A Schild – AS Calibre 1950 – Part No. 445 Setting Iever spring |
| A Schild – AS Calibre 1950 – Part No. 450 Setting wheel |
| A Schild – AS Calibre 1950 – Part No. 705 Escape wheel and pinion |
| A Schild – AS Calibre 1950 – Part No. 710 Jewelled pallet fork |
| A Schild – AS Calibre 1950 – Part No. 721 Complete Balance |
| A Schild – AS Calibre 1950 – Part No. 770 Mainspring |
| A Schild – AS Calibre 1950 – Part No. 3002 Shock-Protecting device,Upper |
| A Schild – AS Calibre 1950 – Part No. 3003 Shock-Protecting device,lower |
A. Schild (AS) Calibre 1950 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1950 is a vintage Swiss manual-wind mechanical movement, highly regarded for its precision, reliability, and classic design. Manufactured primarily around the 1960s, it features a sweep second hand and often includes a date complication, making it a popular choice among collectors and watchmakers restoring classic wristwatches.
Key Technical Highlights
Calibre: AS 1950 (also referenced as AS/ST 1950/51)
Movement Type: Manual winding, mechanical with sweep seconds and optional date
Diameter: 25.60 – 25.90 mm (11.5 lignes)
Height: Approximately 4.50 – 5.95 mm (variation depending on model/version)
Jewels: Typically 17 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (3 Hz)
Power Reserve: Around 46 hours
Functions: Hours, minutes, sweep seconds, date (date set typically by changing time around 21:00 to 24:00)
Shock Protection: Vintage anti-shock system, commonly Incabloc
Signature Marks: Often signed AS, ST, or AS/ST on the movement
Common Spare Parts and Components
Mainspring and Barrel: Essential for stable and consistent power delivery; original or NOS (new-old-stock) mainsprings recommended.
Balance Wheel and Balance Staff: Precision parts crucial for timing accuracy and shock resistance; must match exactly to preserve reliability.
Pallet Fork and Escape Wheel: Wear-prone escapement parts that require authentic or NOS replacements for smooth operation.
Gear Train Wheels: Includes minute, third, and fourth wheels; sourced from donor movements or NOS stocks.
Setting Mechanism: Stem, crown, levers, springs including winding stems such as Part No. 401, essential for smooth winding, time setting, and calendar adjustments.
Jewels: Synthetic ruby bearings carefully arranged to reduce friction; exact replacements maintain movement integrity.
Hands and Dial Components: Period-correct parts maintain vintage aesthetic and collector appeal.
Date Mechanism Components: Date disc, jumper springs, and related parts ensure reliable calendar function.
Sourcing and Maintenance Tips
Always source original, NOS, or donor parts specifically designated for AS 1950 to ensure full compatibility and maintain movement quality.
Delicate components such as balance assembly, escapement, and calendar parts require careful handling during servicing.
Use modern synthetic watch oils sparingly, adhering to vintage lubrication standards to promote longevity and optimal function.
Verify the calibre number stamped on the main plate before ordering to avoid incompatibility issues.
Donor AS 1950 movements are valuable sources for rare or worn parts.
Why AS 1950 Spare Parts Matter
Authentic parts preserve the calibre’s accuracy, mechanical reliability, and smooth manual winding, vital for dependable vintage watch operation.
Proper restoration with genuine components safeguards the historical significance and collector value of this classic Swiss manual-wind movement.
Detailed technical documentation and an active watchmaker community facilitate expert repairs and efficient parts sourcing.
Maintaining the A. Schild AS 1950 calibre with high-quality, authentic spare parts is essential to keep these vintage manual-wind timepieces running reliably while honoring their place in Swiss horological 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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