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Gruen 157
Ligne: 19'''
Jewels: 15
Power Reserve: 39 hrs
Frequency: 18000 vph
Type: Manual Wind
Diameter: 42.9 mm
Height: 4.2 mm
Hands: 1.85 x 1.00 / 0.28 mm
The Gruen 157 watch movement is equipped with a hunter calibre and offers various options including a bimetallic screw balance and Breguet hairspring. It shares similarities with the 43, 45, 47, and 49 calibres, with the only notable difference being the layout of the bridges. The movement features stem winding and setting capabilities, as well as a sub-second function.
The Gruen 157 features the following functions:
- Stem wind and set
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.210 x 440 x 16.0 mm | GR4362 | 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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