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Bettlach 8400-74
(EB)
Ligne: 8.25'''
Jewels: 15/17
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1935
Diameter: 18.3 mm
Hands: 1.20 x 0.55 mm
The Bettlach 8400-74 watch movement is a mechanical movement with manual winding and a sub-second function. It falls within a range of movements (60 through 66, 68 through 71, 76, 77) that share certain similarities. The Bettlach 8400-74 was widely used around the year 1935.
The Bettlach 8400-74 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.35 x 0.090 x 220 x 7.5 mm | GR3495 | Manual | Buy mainspring |
| 1.30 x 0.100 x 220 x 7.5 mm | GR3249 | Manual | Buy mainspring |
| 1.30 x 0.095 x 220 x 7.5 mm | GR3232 | 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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