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Bettlach 8135
(EB)
Ligne: 11.5'''
Jewels: 17/21/25/30
Power Reserve: 44 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1955
Diameter: 26.3 mm
Height: 6.3 mm
Hands: 1.50 x 0.90 x 0.20 mm
The Bettlach 8135 is a mechanical watch movement introduced around 1955. It operates with an automatic winding system and features a sweep second hand. The day display can be set by adjusting the time forward or backward by +/- 24 hours, while the date function changes by advancing the 21-24 hour time. Additionally, it incorporates a calendar feature.
The Bettlach 8135 features the following functions:
- Automatic Winding
- Calendar
- Date: set by changing 21-24h
- Day: set by +/-24h
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.110 x 320 x 10.0 mm | GR3983X | Auto | Buy mainspring |
| 1.40 x 0.110 x 350 x 10.5 mm | Auto | Buy mainspring | |
| 1.40 x 0.110 x 340 x 10.0 mm | GR3700X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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