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Gruen 157
Ligne: 11.5'''
Jewels: 15
Power Reserve: 38 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Diameter: 26 mm
Height: 4.0 mm
Hands: 1.30 x 0.60 / 0.21 mm
The Gruen 157 watch movement is a manual wind movement with sub-second function. It was produced around 1945 and belongs to a series of movements that includes the 210, 220, 222, 224, 226, and 227 models. Although the specific differences between these models are not known, the Gruen 157 movement is characterized by various bridge shapes.
The Gruen 157 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.80 x 0.100 x 350 x 10.0 mm | Manual | Buy mainspring | |
| 1.80 x 0.100 x 320 x 9.0 mm | GR5254 | 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) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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