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Bettlach 8105
(EB)
Ligne: 11.5'''
Jewels: 17/39
Power Reserve: 40 hrs
Frequency: 21600 vph
Type: Automatic
Period used: ~1965
Diameter: 26 mm
Height: 5.0 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Bettlach 8105 watch movement, introduced around 1965, is an automatic movement with two roller freewheels and a ball-bearing rotor. It features a worm screw regulation gear and is based on the manual wind calibre AS 1687/1688. Additionally, it incorporates various functions including automatic winding, sweep seconds, and a hack feature. This movement was a collaborative development between Doxa, Eberhard, Favre-Leuba, Girard-Perregaux, and Zodiac.
The Bettlach 8105 features the following functions:
- Automatic Winding
- Ball-bearing Rotor
- Hack feature
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.110 x 10.0 mm | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More | |||
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BARREL SEALED | 182/GP 41.1 | Buy part | |
| ESCAPE WHEEL, S/S | 705/1378 | Buy part | |
| FOURTH WHEEL, SS HT 4.75 | 227/809 | Buy part | |
| OSC. WGT. | A/9297 | A/9297 | Buy part |
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