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Geneva Sport Watch 31
Jewels: 17
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1899-1903
Diameter: 45.75 mm
Height: 10.1 mm
Hands: 2.46 x 1.27 / 0.30 mm
The Geneva Sport Watch 31 is a watch movement that was produced from 1899 to 1903, with a total of 31,000 units manufactured during that period. It features an open face calibre, known as the model 5. The movement is equipped with a bimetallic screw balance and a Breguet hairspring, enhancing its precision and accuracy. Notably, the ratchet is positioned under the base plate, and it incorporates a negative stem mechanism with a rocker bar. The Geneva Sport Watch 31 also includes functions such as stem winding, which can be switched by either the crown or lever, and a sub-second display.
The Geneva Sport Watch 31 features the following functions:
- Stem wind, with switching capability through crown or lever
- Sub second feature
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.92 x 0.222 x 570 x 17.5 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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