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A Schild – AS Calibre 1866 Watch spare parts
| A Schild – AS Calibre 1866 – Part No. 100 plate |
| A Schild – AS Calibre 1866 – Part No. 105 Barrel bridge |
| A Schild – AS Calibre 1866 – Part No. 118 Combined bridge |
| A Schild – AS Calibre 1866 – Part No. 121 Balance cock |
| A Schild – AS Calibre 1866 – Part No. 125 Pallet cock |
| A Schild – AS Calibre 1866 – Part No. 163/1 Center pipe |
| A Schild – AS Calibre 1866 – Part No. 182 Barrel and cover |
| A Schild – AS Calibre 1866 – Part No. 195 Barrel arbor |
| A Schild – AS Calibre 1866 – Part No. 200/1 Large driving wheel |
| A Schild – AS Calibre 1866 – Part No. 210 Third wheel |
| A Schild – AS Calibre 1866 – Part No. 227 Sweep second wheel |
| A Schild – AS Calibre 1866 – Part No. 240 Cannon pinion with clam notch |
| A Schild – AS Calibre 1866 – Part No. 243 Cannon pinion without clam notch |
| A Schild – AS Calibre 1866 – Part No. 255 Hour wheel |
| A Schild – AS Calibre 1866 – Part No. 260 Minute wheel |
| A Schild – AS Calibre 1866 – Part No. 307/1 Regulator for adjustable stud holder |
| A Schild – AS Calibre 1866 – Part No. 375 Adlustable stud holder |
| A Schild – AS Calibre 1866 – Part No. 401 Winding stem |
| A Schild – AS Calibre 1866 – Part No. 407 Clutch wheel |
| A Schild – AS Calibre 1866 – Part No. 410 Winding pinion |
| A Schild – AS Calibre 1866 – Part No. 415 Ratchet wheel |
| A Schild – AS Calibre 1866 – Part No. 420 Crown wheel |
| A Schild – AS Calibre 1866 – Part No. 422 Crown wheel ring |
| A Schild – AS Calibre 1866 – Part No. 425 Click |
| A Schild – AS Calibre 1866 – Part No. 430 Click spring |
| A Schild – AS Calibre 1866 – Part No. 435 Yoke |
| A Schild – AS Calibre 1866 – Part No. 440 Yoke spring |
| A Schild – AS Calibre 1866 – Part No. 443/1 Setting lever |
| A Schild – AS Calibre 1866 – Part No. 445/1 Setting Iever spring |
| A Schild – AS Calibre 1866 – Part No. 450 Setting wheel |
| A Schild – AS Calibre 1866 – Part No. 468 Cannon pinion guard |
| A Schild – AS Calibre 1866 – Part No. 705 Escape wheel and pinion |
| A Schild – AS Calibre 1866 – Part No. 710 Jewelled pallet fork |
| A Schild – AS Calibre 1866 – Part No. 714 Pallet staff |
| A Schild – AS Calibre 1866 – Part No. 721 Complete Balance |
| A Schild – AS Calibre 1866 – Part No. 730 Roller |
| A Schild – AS Calibre 1866 – Part No. 770 Mainspring |
| A Schild – AS Calibre 1866 – Part No. 775 Brake spring |
| A Schild – AS Calibre 1866 – Part No. 1141/1 Lower bridge for automatic device |
| A Schild – AS Calibre 1866 – Part No. 1142 Upper bridge for automatic device |
| A Schild – AS Calibre 1866 – Part No. 1143/1 Oscillating weight, mounted |
| A Schild – AS Calibre 1866 – Part No. 1155 Lower cock for reduclion gear |
| A Schild – AS Calibre 1866 – Part No. 1428 Stop click |
| A Schild – AS Calibre 1866 – Part No. 1448 Stop click spring NOS) |
| A Schild – AS Calibre 1866 – Part No. 1470 Reverser spring |
| A Schild – AS Calibre 1866 – Part No. 1481 Reducrion gear |
| A Schild – AS Calibre 1866 – Part No. 1482 Driving gear for crown wheel |
| A Schild – AS Calibre 1866 – Part No. 1485/1 Reverser, mounled |
| A Schild – AS Calibre 1866 – Part No. 1491 Oscillating weight bolt |
| A Schild – AS Calibre 1866– Part No. 1555 Bolt for winding-up wheel |
| A Schild – AS Calibre 1866 – Part No. 2535 Date indicator guard |
| A Schild – AS Calibre 1866 – Part No. 2555 Calendar driving wheel |
| A Schild – AS Calibre 1866 – Part No. 2557 Date indicator |
| A Schild – AS Calibre 1866 – Part No. 2558 Double-toothing hour wheel |
| A Schild – AS Calibre 1866 – Part No. 2561/2 Day star with disk not transferred |
| A Schild – AS Calibre 1866 – Part No. 2575 Date Jumper spring |
| A Schild – AS Calibre 1866 – Part No. 2576 Date Jumper |
| A Schild – AS Calibre 1866 – Part No. 2577 Day jumper |
| A Schild – AS Calibre 1866 – Part No. 2632/1 Unlocking yoke for date indicator, mounted |
| A Schild – AS Calibre 1866 – Part No. 2633 Unlocking yoke for date indicator |
A. Schild (AS) Calibre 1866 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1866 is a vintage Swiss automatic mechanical movement known for its reliable performance, classic design, and practical complications. Produced around the 1970s, this calibre features a robust build, efficient automatic winding, and a power reserve of approximately 42 hours, making it a reliable choice for vintage wristwatches.
Key Technical Highlights
Calibre: AS 1866
Movement Type: Automatic, mechanical
Diameter: 26 mm (11.5 lignes)
Jewels: 17, 21, or 25 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (vph)
Power Reserve: Approximately 42 hours
Lift Angle: 52°
Functions: Hours, minutes, sweep seconds, date complication
Shock Protection: Vintage anti-shock system (typical for the era)
Rotor: Ball-bearing type for smooth and efficient automatic winding
Common Spare Parts and Components
Mainspring and Barrel: Essential for stable and consistent power transmission; original or NOS mainsprings recommended for longevity and proper torque.
Balance Wheel and Balance Staff: Precision components critical for accurate timekeeping and shock resistance; must fit exactly to maintain reliability.
Rotor Assembly and Bearings: Key parts of the automatic winding mechanism; worn components require genuine or NOS replacements for smooth operation.
Pallet Fork and Escape Wheel: Wear-prone escapement parts; sourcing original or quality NOS components preserves smooth escapement function.
Gear Train Wheels (Minute, Third, Fourth): Commonly replaced due to wear; typically sourced from donor movements or NOS stock.
Setting Mechanism (Stem, Crown, Levers, Springs): Accurate fit is necessary for smooth winding, setting, and date adjustment; compatible winding stems include the original Swiss-made Part No. 401.
Jewels: Synthetic ruby bearings arranged to minimize friction; replacements must correspond precisely to the original layout.
Hands and Dial Components: Period-correct parts maintain vintage authenticity and add collector value.
Sourcing and Maintenance Tips
Use original, NOS, or donor parts specifically marked for AS 1866 to ensure proper fit and movement integrity.
Handle delicate components like the balance, escapement, and rotor assembly with care during servicing.
Apply modern synthetic watch oils sparingly, adhering to vintage lubrication standards for optimal longevity and performance.
Always verify the calibre number stamped on the main plate before ordering parts to avoid compatibility issues.
Donor AS 1866 movements serve as valuable sources for rare or worn spare parts.
Why AS 1866 Spare Parts Matter
Genuine parts maintain the calibre’s accuracy, reliability, and efficient automatic winding, essential for dependable performance in vintage watches.
Proper restoration with authentic components preserves the historical significance and collector appeal of these classic Swiss automatic movements.
Well-documented technical specifications and an active watchmaker community facilitate efficient parts sourcing and expert servicing.
Maintaining the A. Schild AS 1866 calibre with high-quality, authentic spare parts ensures these vintage automatics continue to perform reliably while honoring their legacy in Swiss horology.
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Stem, Crown, Hands & Spares might be available for this movement.
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