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Packaged original AS Caliber 1635 watch setting bridge, Part #445. Size: 7 ligne. Information below is provided from internet specifications for reference only.
The related self‑winding caliber AS 1654 has a diameter of only seven lignes (less than 16mm), making it one of the smallest automatic movements ever produced. Introduced around 1960, it is similar to the AS 1635 but features an increased beat rate.
| Manufacturer: | AS |
| Caliber: | 1654 |
| Size: | 7''' |
| A/h: | 21600 |
| Jewels: | 23? |
| Escapement: | Pallet lever |
| Balance Type: | Nickel screw balance |
| Shock Protection: | Incabloc |
| Hairspring Direction: | Clockwise |
| Moveable Stud: | Yes |
| Adjust Mechanism: | Hairspring key |
| Construction: |
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| Features: |
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| Reference: | Flume 1962 / Page 83 |
This listing is for the setting bridge part only. Technical data is provided for reference and may not apply to all versions. Please confirm compatibility with your watchmaker.
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