A Schild – AS Calibre 1201 Watch spare parts
| A Schild – AS Calibre 1201 – Part No. 100 plate |
| A Schild – AS Calibre 1201 – Part No. 105 Barrel bridge |
| A Schild – AS Calibre 1201 – Part No.110 Train-wheel bridge |
| A Schild – AS Calibre 1201 – Part No. 121 Balance cock |
| A Schild – AS Calibre 1201 – Part No. 125 Pallet cock |
| A Schild – AS Calibre 1201 – Part No. 182 Barrel and cover |
| A Schild – AS Calibre 1201 – Part No. 195 Barrel arbor |
| A Schild – AS Calibre 1201 – Part No. 201 Center wheel |
| A Schild – AS Calibre 1201 – Part No. 210 Third wheel |
| A Schild – AS Calibre 1201 – Part No. 224 Fourth wheel |
| A Schild – AS Calibre 1201 – Part No. 240 Cannon pinion |
| A Schild – AS Calibre 1201 – Part No. 250 Hour wheel |
| A Schild – AS Calibre 1201 – Part No. 260 Minute wheel |
| A Schild – AS Calibre 1201 – Part No. 301 Regulator for flat hairspring |
| A Schild – AS Calibre 1201 – Part No. 311 Upper cap jewel with end-piece, for balance |
| A Schild – AS Calibre 1201 – Part No. 330 Lower cap jewel with end-piece,for balance |
| A Schild – AS Calibre 1201 – Part No. 401 Winding stem |
| A Schild – AS Calibre 1201 – Part No. 407 Clutch wheel |
| A Schild – AS Calibre 1201 – Part No. 410 Winding pinion |
| A Schild – AS Calibre 1201 – Part No. 415 Ratchet wheel |
| A Schild – AS Calibre 1201 – Part No. 420 Crown wheel |
| A Schild – AS Calibre 1201 – Part No. 422 Crown wheel ring |
| A Schild – AS Calibre 1201 – Part No. 425 Click |
| A Schild – AS Calibre 1201 – Part No. 430 Click spring |
| A Schild – AS Calibre 1201 – Part No. 435 Yoke |
| A Schild – AS Calibre 1201 – Part No. 440 Yoke spring |
| A Schild – AS Calibre 1201 – Part No. 443 Setting lever |
| A Schild – AS Calibre 1201 – Part No. 445 Setting Iever spring |
| A Schild – AS Calibre 1201 – Part No. 450 Setting wheel |
| A Schild – AS Calibre 1201 – Part No. 705 Escape wheel and pinion |
| A Schild – AS Calibre 1201 – Part No. 710 Jewelled pallet fork |
| A Schild – AS Calibre 1201 – Part No. 721 Complete Balance |
| A Schild – AS Calibre 1201 – Part No. 770 Mainspring |
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A. Schild (AS) Calibre 1201 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1201 is a vintage Swiss manual-wind mechanical movement known for its robust construction, reliable performance, and classic design. Produced primarily in the late 1940s and 1950s, the AS 1201 features a decentralized small seconds display at 6 o’clock, combining precision engineering with traditional aesthetics. It remains popular among collectors and watchmakers specializing in vintage Swiss timepieces.
Key Technical Highlights
Calibre: AS 1201
Size: 11 1/2 lignes (approximately 25.6 mm diameter)
Beat Rate: 18,000 vibrations per hour (A/h)
Jewels: 17 synthetic ruby jewels, including cap jewels for the escapement wheel
Escapement: Swiss lever pallet
Balance: Screw balance with Incabloc shock protection on both balance pivots
Construction: Solid, high-quality architecture with a classical gear train and bevelled base plate allowing for curved dials and thin cases
Winding Mechanism: Manual, using yoke winding system
Power Reserve: Typically around 40-45 hours (depending on condition)
Distinctive Features: Decentralized small seconds at 6 o’clock; the escapement wheel positioned under the gear train bridge with jeweled bearings for smooth operation
Common Spare Parts and Maintenance Components
Mainspring and Barrel: Frequent replacements due to loss of tension or fatigue; exact dimension matching is vital for power consistency.
Balance Staff and Balance Assembly: Delicate parts prone to shock damage, requiring compatible replacements matched to the Incabloc shock protection system.
Pallet Fork and Escape Wheel: High wear components needing original or precise compatible parts for reliable escapement function.
Wheels (Minute, Third, Fourth): Teeth and pivot wear common; donor movements or new old stock (NOS) parts are typical sources.
Stem, Crown, Setting Lever & Springs: Often show wear with age; compatible AS 1201 parts or direct replacements are necessary for proper winding and time setting.
Jewels: Replacement synthetic ruby bearings critical to reduce friction and maintain smooth gear train operation.
Hands and Dial: Period-correct small seconds hands and dial parts needed for authentic restoration.
Sourcing and Service Tips
Original and NOS Parts: Aim to source parts explicitly labelled for AS 1201 to ensure fit and maintain authenticity.
Donor Movements: Salvage movements often provide the best sources for rare or hard-to-find parts such as gears, escapement components, and balance assemblies.
Handling: The movement’s Incabloc shock protection mitigates some fragility, but careful handling during disassembly and servicing is still crucial.
Lubrication: Use modern synthetic oils sparingly, in line with vintage watch service practices, to preserve movement longevity and performance.
Identification: The calibre number is generally stamped on the main plate or underneath the balance cock, aiding parts ordering accuracy.
Why AS 1201 Spare Parts Matter
Durability and Precision: Using authentic parts helps preserve the movement’s robust reputation and timekeeping accuracy.
Collector and Watchmaker Demand: AS 1201 remains a sought-after caliber for vintage Swiss watches, making quality spare parts vital for maintenance and restorations.
Technical Legacy: Representing mid-20th-century Swiss watchmaking excellence, careful parts sourcing maintains historical and functional integrity.
The A. Schild AS 1201 watch movement is a distinguished example of classic Swiss horology. Proper sourcing and fitting of original or compatible spare parts is essential to keep these iconic mechanical timepieces reliable, authentic, and cherished by collectors and enthusiasts.