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ETA 2391
Ligne: 8.75'''
Jewels: 15/17
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Diameter: 19.7 mm
Height: 3.45 mm
Hands: 1.20 x 0.60 / 0.22 mm
The ETA 2391 watch movement is similar to the 2325-2330 and 2335-2339 movements, potentially differing mainly in bridge designs. It is a manual wind movement that features a sub second function. The ETA 2391 movement was commonly used around the period of 1950.
The ETA 2391 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3795 | Ordinary/None | Buy staff |
| 4445 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.090 x 260 x 8.0 mm | GR4463 | Manual | Buy mainspring |
| 1.60 x 0.090 x 250 x 8.0 mm | Manual | Buy mainspring | |
| 1.60 x 0.085 x 260 x 7.5 mm | GR4455 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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