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Bettlach 8420-74
(EB)
Ligne: 10.5'''
Jewels: 15
Power Reserve: 37 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1940
Diameter: 23.7 mm
Height: 4.05 mm
Hands: 1.30 x 0.65 / 0.21 mm
The Bettlach 8420-74 is a manual wind watch movement with a sub second function. It was used during the period of approximately 1940. Details regarding the specific differences between the Bettlach 8420-74 and other similar movements, such as the 148, 150-152, 154, 156-158, and 165, are not known. Additionally, there are variations in bridge shapes for the Bettlach 8420-74 movement.
The Bettlach 8420-74 features the following functions:
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.100 x 290 x 9.0 mm | Manual | Buy mainspring | |
| 1.50 x 0.105 x 280 x 9.0 mm | GR41332 | 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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