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Valjoux 7731
Ligne: 19'''
Jewels: 15
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Diameter: 41.8 mm
Height: 5.35 mm
Hands: 1.76 x 1.10 / 0.28 mm
The Valjoux 7731 is an open-face calibre watch movement with a Breguet hairspring. It features a negative stem mechanism specifically designed for the US market. The functions of this movement include stem winding and setting, as well as a sub-second display. The period of production for this movement is estimated to be around 1950.
The Valjoux 7731 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 |
|---|---|---|---|
| 1.90 x 0.210 x 490 x 17.0 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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