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Bettlach 8120
(EB)
Ligne: 11.5'''
Jewels: 17/21/25/30
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1955
Diameter: 26 mm
Height: 5.3 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Bettlach 8120 watch movement is a mechanical movement with an early fixed and later mobile stud carrier. The differences between the 2451, 2459, 2461, and 2465 are not known. This movement has several functions including automatic winding and sweep seconds. It was used around 1955.
The Bettlach 8120 features the following functions:
- Automatic Winding
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.105 x 360 x 10.5 mm | GR3271X | Auto | Buy mainspring |
| 1.30 x 0.105 x 300 x 9.5 mm | Auto | 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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