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ETA 2851
Ligne: 11.5'''
Jewels: 17
Lift Angle: 52°
Power Reserve: 48 hrs
Frequency: 21600 vph
Type: Manual Wind
Period used: ~1970
Diameter: 26 mm
Height: 4.75 mm
Hands: 1.50 x 0.90 x 0.21 mm
The ETA 2851 is a mechanical watch movement that features a indirectly driven minute mechanism, allowing for a larger balance and a low profile. It is a manual wind movement that includes functions such as sweep seconds, day and date display, and a quickset date that can be adjusted by repeatedly pushing the crown. This movement was commonly used between the late 1960s and early 1970s.
The ETA 2851 features the following functions:
- Date: quickset by repeated pushing the crown
- Day
- Day and Date Display
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 5238 | Ordinary/None | Buy staff |
| 5238 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.100 x 360 x 9.5 mm | GR3956 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More | |||
| See More |
Documents
Parts Listing
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