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Bettlach 8401
(EB)
Ligne: 10.5'''
Jewels: 17
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 23.7 mm
Height: 4.6 mm
Hands: 1.30 x 0.80 x 0.25 mm
Base: Culmina 51
The Bettlach 8401 watch movement, which is almost equivalent to the Culmina 55, is a manual wind mechanical movement. It features a sweep second hand and was primarily used during the period around 1955.
The Bettlach 8401 features the following functions:
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3783 | Ordinary/None | Buy staff |
| 4071 | Antichoc | Buy staff |
| 3783 | Supershock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.120 x 300 x 9.5 mm | GR4175 | Manual | Buy mainspring |
| 1.50 x 0.110 x 290 x 9.5 mm | Manual | Buy mainspring | |
| 1.50 x 0.110 x 300 x 9.0 mm | GR4149 | 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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