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ETA 1143
Ligne: 12'''
Jewels: 7/17/23
Lift Angle: 52°
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1970
Diameter: 27 mm
Height: 3.9 mm
Hands: 1.80 x 1.30 x 0.20 mm
The ETA 1143 watch movement is equipped with a stem mechanism that does not utilize a setting-lever spring. It features a unique design in which the train and hand gears are driven separately by the barrel. This movement offers manual winding functionality and includes a sweep seconds function. It utilizes a jeweled lever system, indicating the presence of jewels within the movement to reduce friction. The ETA 1143 movement was in use during the approximate period of 1970.
The ETA 1143 features the following functions:
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 5200 | Ordinary/None | Buy staff |
| 5199 | Incabloc | Buy staff |
| 5199 | Kif | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.100 x 360 x 10.0 mm | Manual | Buy mainspring | |
| 1.40 x 0.100 x 360 x 9.5 mm | GR3667 | Manual | Buy mainspring |
| 1.40 x 0.110 x 320 x 9.5 mm | GR3699 | Manual | 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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