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Eterna 12670B
Ligne: 10.5'''
Jewels: 17/21/25/30
Lift Angle: 52°
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1965
Diameter: 23.7 mm
Height: 5.3 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Eterna 12670B watch movement is an automatic movement that features a sweep second hand and an offset center wheel. It is known to have variations in its stud carrier, with early models having a fixed stud carrier and later models incorporating a mobile stud carrier. The differences between the Eterna 12670B and ETA 2458 movements are not specified. This movement was in use around the year 1965.
The Eterna 12670B features the following functions:
- Automatic Winding
- Offset Center Wheel
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4377 | Ordinary/None | Buy staff |
| 4040 | Ordinary/None | Buy staff |
| 4935 | Ordinary/None | Buy staff |
| 4049 | Incabloc | Buy staff |
| 3946 | Incabloc | Buy staff |
| 5136 | Incabloc | Buy staff |
| 5436 | Incabloc | Buy staff |
| 4801 | Supershock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.105 x 360 x 10.5 mm | GR3271X | Auto | Buy mainspring |
| 1.30 x 0.105 x 300 x 9.5 mm | Auto | 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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