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Bettlach 8400-74
(EB)
Ligne: 7.75'''
Jewels: 15/17
Power Reserve: 43 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 17.5 mm
Hands: 1.20 x 0.70 mm
The Bettlach 8400-74 watch movement is a manual wind mechanical movement that features a sweep seconds hand. It is not known what specific differences exist between the ETA 1010 and ETA 1013 movements. The Bettlach 8400-74 movement was introduced around 1955.
The Bettlach 8400-74 features the following functions:
- Manual Winding
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.15 x 0.080 x 220 x 7.0 mm | Manual | Buy mainspring | |
| 1.15 x 0.085 x 200 x 6.5 mm | GR2788 | Manual | Buy mainspring |
| 1.10 x 0.090 x 220 x 7.0 mm | GR2591 | 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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