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ETA 2821
Jewels: 17
Lift Angle: 50°
Power Reserve: 42 hrs
Frequency: 19800 vph
Type: Automatic
Period used: 1943-1955
Diameter: 28.5 mm
Height: 4.8 mm
Hands: 1.40 x 0.65 / 0.15 mm
The ETA 2821 watch movement, developed in 1949, is a part of the family 28.10, 30.10. It was produced in over 1,300,000 units from 1943 to 1955. Previously known as 28.10RA PC, it was renamed to 340 in 1949. The movement features an automatic (bumper) winding system, a sub-second function, automatic functionality, and Incabloc Shock Protection.
The ETA 2821 features the following functions:
- Automatic (bumper)
- Incabloc Shock Protection
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.095 x 300 x 9.0 mm | GR2605X | 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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