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General 31
(Helvetia)
Ligne: 5.75 x 8.5'''
Jewels: 15
Power Reserve: 43 hrs
Frequency: 18000 vph
Type: Manual Wind
Size: 12.8 x 19.5 mm
Height: 3.6 mm
Hands: 1.20 x 0.60 mm
The General 31 watch movement has many parts in common with the Eterna 1057 movement. The specific differences between the 1201-1210, 1212, 1214, and 1215 variations are not known. It is likely that these variations correspond to different base plates, bridge layouts, and lever bridges. The General 31 movement is a manual wind movement.
The General 31 features the following functions:
- Manual Winding
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 791 | Ordinary/None | Buy staff |
| 3279 | Ordinary/None | Buy staff |
| 864 | Incabloc | Buy staff |
| 3225 | Supershock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.080 x 260 x 7.5 mm | GR3203 | Manual | Buy mainspring |
| 1.30 x 0.080 x 245 x 7.5 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
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