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Bettlach 8397-67
(EB)
Ligne: 13.5'''
Jewels: 15
Lift Angle: 42°
Power Reserve: 30 hrs
Frequency: 17280 vph
Type: Manual Wind
Period used: ~1960
Diameter: 31.2 mm
Height: 4.8 mm
Hands: 1.90 x 1.10 x 0.24 mm
The Bettlach 8397-67 watch movement, utilized around 1960, incorporates a pin-lever escapement and features an indirect minute hand friction clutch on the barrel. An intriguing design aspect involves the replacement of the setting-lever spring, yoke, and yoke spring with a single simple part. Initial models also featured a pointed staff. The movement offers manual winding and includes a sweep second hand.
The Bettlach 8397-67 features the following functions:
- Manual Winding
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.140 x 13.5 mm | Manual | Buy mainspring |
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