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Guba 77
(GBA)
Ligne: 10.5'''
Jewels: 17
Power Reserve: 39 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Diameter: 23.7 mm
Height: 3.5 mm
Hands: 1.30 x 0.70 / 0.20 mm
The Guba 77 is a manual wind movement with a sub second function. The movement can be attributed to Geneva Sport based on the presence of a set-lever spring shown in the Bestfit Part II from 1972, as well as its appearance in a watch with Geneva Sport branding on the dial. The movement is estimated to have been in use around 1945.
The Guba 77 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4747 | Ordinary/None | Buy staff |
| 4747 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.100 x 300 x 9.0 mm | GR4122 | Manual | Buy mainspring |
| 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
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