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ETA 2891-9
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 ETA 2891-9 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 ETA 2891-9 and ETA 2458 movements are not specified. This movement was in use around the year 1965.
The ETA 2891-9 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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