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Gruen 763
Ligne: 17'''
Jewels: 15
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1935
Diameter: 37.8 mm
Height: 3.85 mm
Hands: 1.75 x 1.10 / 0.22 mm
The Gruen 763 is an open face calibre watch movement that features a Breguet hairspring. This mechanical movement is designed for stem winding and setting, with a sub-second function. The Gruen 763 was in use around 1935.
The Gruen 763 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.185 x 500 x 15.5 mm | GR3864 | Manual | Buy mainspring |
| 1.40 x 0.180 x 480 x 15.5 mm | 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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