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ETA 1231
Ligne: 12'''
Jewels: 17
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1955-
Diameter: 27 mm
Height: 6.15 mm
Hands: 2.20 x 1.50 x 0.90 x 0.20 mm
The ETA 1231 watch movement is a manual-wind alarm movement that features a sweep second hand. It is equipped with an alarm function and is commonly used in watches produced from 1955 onwards.
The ETA 1231 features the following functions:
- Alarm Complication
- Manual-wind alarm
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.120 x 320 x 10.5 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) |
|---|
Documents
Parts Listing
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