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ETA 2838
Ligne: 11.5'''
Jewels: 21/25
Power Reserve: 43 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1950
Diameter: 26.3 mm
Height: 6.1 mm
Hands: 1.35 x 0.90 x 0.28 mm
Base: General 837
The ETA 2838 watch movement, released around 1950, is a manual winding movement designed to be wound counterclockwise. This movement features an intermediate wheel (B) positioned between the directly driven sweep second (C) and the 4th wheel (A) to create additional space for a larger barrel. The ETA 2838 movement offers automatic functionality, sweep seconds, Incabloc Shock Protection, and additional functions that are not elaborated upon.
The ETA 2838 features the following functions:
- Automatic Winding
- Incabloc Shock Protection
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.110 x 320 x 10.0 mm | GR3983X | Auto | Buy mainspring |
| 1.40 x 0.110 x 320 x 9.5 mm | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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