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General 31
(Helvetia)
Ligne: 7.75'''
Jewels: 17/19
Power Reserve: 44 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1958-1967
Diameter: 17.5 mm
Height: 3.8 mm
Hands: 1.20 x 0.70 x 0.20 mm
Base: Dugena ETA 2360
The General 31 is a manual wind mechanical watch movement that was used during the period of 1958-1967. It features an indirectly driven minute function, which allows for a large balance and a low profile. Additionally, it incorporates a sweep second function.
The General 31 features the following functions:
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.080 x 220 x 7.0 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) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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