A Schild – AS Calibre 1746 Watch spare parts
| A Schild – AS Calibre 1746 – Part No. 100 plate |
| A Schild – AS Calibre 1746 – Part No. 105 Barrel bridge |
| A Schild – AS Calibre 1746 – Part No.110 Train-wheel bridge |
| A Schild – AS Calibre 1746 – Part No. 121 Balance cock |
| A Schild – AS Calibre 1746 – Part No. 125 Pallet cock |
| A Schild – AS Calibre 1746 – Part No. 182 Barrel and cover |
| A Schild – AS Calibre 1746 – Part No. 195 Barrel arbor |
| A Schild – AS Calibre 1746 – Part No. 201 Center wheel |
| A Schild – AS Calibre 1746 – Part No. 210 Third wheel |
| A Schild – AS Calibre 1746 – Part No. 224 Fourth wheel |
| A Schild – AS Calibre 1746 – Part No. 240 Cannon pinion |
| A Schild – AS Calibre 1746 – Part No. 250 Hour wheel |
| A Schild – AS Calibre 1746 – Part No. 260 Minute wheel |
| A Schild – AS Calibre 1746 – Part No. 301 Regulator for flat hairspring |
| A Schild – AS Calibre 1746 – Part No. 311 Upper cap jewel with end-piece, for balance |
| A Schild – AS Calibre 1746 – Part No. 330 Lower cap jewel with end-piece,for balance |
| A Schild – AS Calibre 1746 – Part No. 401 Winding stem |
| A Schild – AS Calibre 1746 – Part No. 407 Clutch wheel |
| A Schild – AS Calibre 1746 – Part No. 410 Winding pinion |
| A Schild – AS Calibre 1746 – Part No. 415 Ratchet wheel |
| A Schild – AS Calibre 1746 – Part No. 420 Crown wheel |
| A Schild – AS Calibre 1746 – Part No. 422 Crown wheel ring |
| A Schild – AS Calibre 1746 – Part No. 425 Click |
| A Schild – AS Calibre 1746 – Part No. 430 Click spring |
| A Schild – AS Calibre 1746 – Part No. 435 Yoke |
| A Schild – AS Calibre 1746 – Part No. 440 Yoke spring |
| A Schild – AS Calibre 1746 – Part No. 443 Setting lever |
| A Schild – AS Calibre 1746 – Part No. 445 Setting Iever spring |
| A Schild – AS Calibre 1746 – Part No. 450 Setting wheel |
| A Schild – AS Calibre 1746 – Part No. 705 Escape wheel and pinion |
| A Schild – AS Calibre 1746 – Part No. 710 Jewelled pallet fork |
| A Schild – AS Calibre 1746 – Part No. 721 Complete Balance |
| A Schild – AS Calibre 1746 – Part No. 770 Mainspring |
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A. Schild (AS) Calibre 1746 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1746 is a vintage Swiss manual-wind mechanical movement cherished for its compact size, reliable mechanics, and classic sweep seconds feature. This calibre measures approximately 25.6 mm (11.5 lignes) in diameter with a slim profile at about 3.6 mm in height. It operates at a beat rate of 18,000 vibrations per hour (vph) and typically contains 17 or 21 synthetic ruby jewels. Known for its solid construction and dependable performance, the AS 1746 is a popular choice for vintage watch restoration projects.
Key Technical Highlights
Calibre: AS 1746
Movement Type: Manual winding, mechanical
Diameter: 25.60 mm (11.5 lignes)
Height: 3.60 mm
Jewels: 17 or 21 synthetic ruby jewels
Beat Rate: 18,000 vph
Power Reserve: Approximately 48 hours
Functions: Hours, minutes, sweep seconds
Shock Protection: Standard vintage anti-shock system such as Incabloc
Common Spare Parts and Components
Mainspring and Barrel: Crucial for stable power storage and steady torque delivery; replacements must match original size and tension specifications.
Balance Wheel and Balance Staff: Delicate precision parts essential for accurate timekeeping and shock resistance; exact fitting parts required.
Pallet Fork and Escape Wheel: Wear-prone escapement components; sourcing original or high-quality new-old-stock (NOS) parts ensures smooth function.
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): Precise fit required to guarantee reliable winding and time setting. Original Swiss-made winding stems are available for this calibre.
Jewels: Synthetic ruby bearings positioned to reduce friction; replacements must match original count and placement.
Hands and Dial Components: Period-correct parts help maintain vintage authenticity and collector value.
Sourcing and Maintenance Tips
Use original, NOS, or donor parts labeled for AS 1746 to ensure compatibility and preserve movement integrity.
Handle fragile components like the balance wheel and escapement carefully to avoid damage during servicing.
Apply modern synthetic watch oils sparingly, adhering to vintage lubrication standards for optimal longevity and function.
Always verify the calibre number stamped on the main plate before ordering parts to prevent mismatches.
Donor AS 1746 movements are valuable sources for hard-to-find or worn components.
Why AS 1746 Spare Parts Matter
Genuine parts preserve the calibre’s accuracy, mechanical reliability, and durability, which are critical for dependable operation.
Proper servicing with authentic components maintains the historical significance and collector appeal of these classic Swiss manual-wind watches.
The detailed technical documentation and active watchmaker communities facilitate efficient parts sourcing and expert repairs.
Maintaining the A. Schild AS 1746 calibre with quality spare parts ensures these vintage manual-wind movements continue to perform reliably while preserving their heritage in Swiss horology.