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Bettlach 8370
(EB)
Ligne: 10.5'''
Jewels: 8/15
Power Reserve: 36 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1960
Diameter: 23.7 mm
Height: 4.5 mm
Hands: 1.40 x 0.80 / 0.16 mm
The Bettlach 8370 watch movement, manufactured approximately around 1960, features a ratchet on the dial side and a crown mechanism with a rocker bar. Variants with fewer than 15 jewels are equipped with metal bushings instead of jewels. The movement commonly or always bears the signature "100" on the dial side. It operates in manual wind mode and incorporates a sub-second function.
The Bettlach 8370 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.100 x 300 x 9.0 mm | GR4486 | 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 |
|---|---|---|---|
| MAINSPRING 1.60-.10-300 9 | MS-711K | GR 4486 | Buy part |
| PALLET ARBOR | 72S/99P | 714/AS 1290 | Buy part |
| ROLLER 195X85X42 | 82S/66R | Buy part | |
| SHOCK | 100/1866 | Buy part | |
| STEM | 200/1308F | Buy part |
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