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ETA 1121
Ligne: 11.5'''
Jewels: 15/17
Power Reserve: 37 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Diameter: 26 mm
Height: 4.2 mm
Hands: 1.30 x 0.80 / 0.22 mm
The ETA 1121 watch movement features a pin-lever escapement, a ratchet on the dial side, and a crown mechanism with a rocker bar. The differences between the 1332, 1473, 1549, 1569, and 1601 variations of the movement are unclear. It is a manual wind movement with a sub-second display. The ETA 1121 movement was commonly used around 1950.
The ETA 1121 features the following functions:
- Manual Winding
- Pin lever
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 193 | Ordinary/None | Buy staff |
| 5057 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.85 x 0.105 x 280 x 9.0 mm | GR5463 | Manual | Buy mainspring |
| 1.80 x 0.100 x 290 x 9.0 mm | 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) |
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Documents
Parts Listing
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