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Bettlach 8020
(EB)
Ligne: 19'''
Jewels: 15
Power Reserve: 38 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1915
Diameter: 42.95 mm
Height: 6.4 mm
Hands: 1.70 x 0.55 / 0.28 mm
The Bettlach 8020 watch movement is an open-face- or hunter calibre with a bimetallic screw balance. It offers the option of a Breguet hairspring. The movement was made in three base-plate variants based on current knowledge. It has been widely used by various manufacturers to create their own variants. The movement features stem wind and pin set functionality, along with a sub second display. It was in circulation around 1915.
The Bettlach 8020 features the following functions:
- Stem wind and pin set
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.00 x 0.210 x 470 x 16.5 mm | Manual | Buy mainspring | |
| 1.60 x 0.095 x 300 x 8.5 mm | GR4476 | 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
| Part Description | Reference # | Alternate | Buy |
|---|
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