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Bettlach 8381
(EB)
Ligne: 18.5'''
Jewels: 15
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Diameter: 41.6 mm
Height: 4.15 mm
Hands: 2.00 x 1.15 / 0.28 mm
The Bettlach 8381 watch movement is a hunter calibre with optional Breguet hairspring. It features varying bridge shapes, including a possible left handed ratchet-wheel screw. The differences between the Bettlach 8381 and 384 are not known, but they are likely just catalog designations for varying bridge shapes. The movement offers stem winding and setting, a sub second function, and right setting.
The Bettlach 8381 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 2776 | Ordinary/None | Buy staff |
| 3138 | Supershock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.195 x 500 x 16.0 mm | GR4345 | Manual | Buy mainspring |
| 1.50 x 0.190 x 490 x 16.0 mm | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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