A Schild – AS Calibre 1651 Watch spare parts
| A Schild – AS Calibre 1651 – Part No. 100 plate |
| A Schild – AS Calibre 1651 – Part No. 105 Barrel bridge |
| A Schild – AS Calibre 1651 – Part No.110 Train-wheel bridge |
| A Schild – AS Calibre 1651 – Part No. 121 Balance cock |
| A Schild – AS Calibre 1651 – Part No. 125 Pallet cock |
| A Schild – AS Calibre 1651 – Part No. 182 Barrel and cover |
| A Schild – AS Calibre 1651 – Part No. 195 Barrel arbor |
| A Schild – AS Calibre 1651 – Part No. 201 Center wheel |
| A Schild – AS Calibre 1651 – Part No. 210 Third wheel |
| A Schild – AS Calibre 1651 – Part No. 224 Fourth wheel |
| A Schild – AS Calibre 1651 – Part No. 240 Cannon pinion |
| A Schild – AS Calibre 1651 – Part No. 250 Hour wheel |
| A Schild – AS Calibre 1651 – Part No. 260 Minute wheel |
| A Schild – AS Calibre 1651 – Part No. 301 Regulator for flat hairspring |
| A Schild – AS Calibre 1651 – Part No. 311 Upper cap jewel with end-piece, for balance |
| A Schild – AS Calibre 1651 – Part No. 330 Lower cap jewel with end-piece,for balance |
| A Schild – AS Calibre 1651 – Part No. 401 Winding stem |
| A Schild – AS Calibre 1651 – Part No. 407 Clutch wheel |
| A Schild – AS Calibre 1651 – Part No. 410 Winding pinion |
| A Schild – AS Calibre 1651 – Part No. 415 Ratchet wheel |
| A Schild – AS Calibre 1651 – Part No. 420 Crown wheel |
| A Schild – AS Calibre 1651 – Part No. 422 Crown wheel ring |
| A Schild – AS Calibre 1651 – Part No. 425 Click |
| A Schild – AS Calibre 1651 – Part No. 430 Click spring |
| A Schild – AS Calibre 1651 – Part No. 435 Yoke |
| A Schild – AS Calibre 1651 – Part No. 440 Yoke spring |
| A Schild – AS Calibre 1651 – Part No. 443 Setting lever |
| A Schild – AS Calibre 1651 – Part No. 445 Setting Iever spring |
| A Schild – AS Calibre 1651 – Part No. 450 Setting wheel |
| A Schild – AS Calibre 1651 – Part No. 705 Escape wheel and pinion |
| A Schild – AS Calibre 1651 – Part No. 710 Jewelled pallet fork |
| A Schild – AS Calibre 1651 – Part No. 721 Complete Balance |
| A Schild – AS Calibre 1651 – Part No. 770 Mainspring |
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A. Schild (AS) Calibre 1651 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1651 is a vintage Swiss manual-wind mechanical movement, closely related to the AS 1650 calibre, known for its robust design and sweep seconds function. It measures approximately 25.60 mm (11.5 lignes) in diameter and is favored by collectors and watchmakers restoring mid-20th-century manual-wind watches.
Key Technical Highlights
Calibre: AS 1651
Movement Type: Manual winding, mechanical with sweep seconds
Diameter: Approximately 25.60 mm (11.5 lignes)
Functions: Hours, minutes, sweep seconds
Jewels: Typically 17 synthetic ruby jewels
Beat Rate: About 18,000 vibrations per hour (vph)
Shock Protection: Incorporated for durability and reliable operation
Common Spare Parts and Components
Mainspring and Barrel: Critical for power storage and consistent torque delivery; must match original specs exactly for optimal performance.
Balance Wheel and Balance Staff: Delicate parts crucial for accurate timekeeping and shock resistance; require precise fit and quality replacement parts.
Pallet Fork and Escape Wheel: Wear-prone escapement components; sourcing original or high-quality new-old-stock (NOS) parts is essential for smooth operation.
Gear Train Wheels (Minute, Third, Fourth): Often replaced due to wear or damage; typically sourced from donor movements or NOS stock.
Setting Mechanism (Stem, Crown, Levers, Springs): Must fit exactly to ensure reliable winding, time-setting, and smooth functionality.
Jewels: Synthetic ruby bearings arranged to minimize friction; replacement jewels must correspond to the original layout and number.
Hands and Dial Parts: Period-correct components maintain vintage authenticity and collector value.
Sourcing and Maintenance Tips
Use original, NOS, or donor parts clearly marked for AS 1651 or compatible AS calibres like AS 1650 for guaranteed fit and movement integrity.
Handle delicate components like balance wheel and escapement with care during servicing.
Apply modern synthetic watch oils sparingly, following vintage lubrication standards to optimize longevity.
Always verify the calibre number stamped on the main plate before ordering spare parts to avoid compatibility issues.
Why AS 1651 Spare Parts Matter
Authentic spare parts preserve the calibre’s accuracy, reliability, and vintage character, crucial for maintaining its mechanical integrity.
Proper restoration using genuine components supports the collector appeal and functional longevity of classic manual-wind watches.
The well-documented AS 1651 design aids in sourcing parts and expert servicing within the vintage watchmaker community.
Maintaining the A. Schild AS 1651 calibre with quality spare parts ensures these dependable vintage manual-wind watches operate reliably and authentically, preserving their place in Swiss horological heritage.