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Gruen 1077
Ligne: 8.75'''
Jewels: 15/17
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 19.7 mm
Height: 3.7 mm
Hands: 1.20 x 0.60 / 0.22 mm
The Gruen 1077 watch movement is part of a series of calibers, including the 2325-2330 and 2335-2339, which likely share similar bridge designs. The winding-gear cover of the Gruen 1077 is purely decorative, and it is probable that other calibers in this line feature a similar cover. The Gruen 1077 movement offers manual winding, sub second function, and was commonly used around 1955.
The Gruen 1077 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.090 x 250 x 8.0 mm | Manual | Buy mainspring | |
| 1.60 x 0.085 x 260 x 7.5 mm | GR4455 | 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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