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Bettlach 8391-67
(EB)
Ligne: 18'''
Jewels: 15
Power Reserve: 36 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1930
Diameter: 40.6 mm
Height: 4.55 mm
Hands: 1.94 x 1.09 / 0.26 mm
The Bettlach 8391-67 is an open face calibre watch movement that was primarily used around 1930. It features stem winding and setting functionality, as well as a sub-second function.
The Bettlach 8391-67 features the following functions:
- Stem wind and set
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.200 x 460 x 16.0 mm | Manual | Buy mainspring | |
| 1.50 x 0.200 x 460 x 15.5 mm | GR4352 | Manual | Buy mainspring |
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| PALLET ARBOR | 72S/124P | 714/LAN 39 | Buy part |
| ROLLER 325X100X60 | 82S/91R | Buy part | |
| STAFF, HSP .65 | 100/1718 | Buy part | |
| STAFF, HSP .85 | 100/1177 | Buy part | |
| STEM | 200/997F | Buy part |
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