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Eterna 1439U
Ligne: 12.75'''
Jewels: 17
Power Reserve: 42 hrs
Frequency: 19800 vph
Type: Automatic
Period used: 1949-1953
Diameter: 28.5 mm
Height: 6.1 mm
Hands: 1.40 x 0.75 x 0.18 mm
The Eterna 1439U watch movement, part of the 28.10 and 30.10 family, was produced from 1949 to 1953, with over 1,300,000 units manufactured between 1943 and 1955. It features an automatic (bumper) mechanism, a sweep seconds function, and a date display. The movement is also equipped with a calendar feature.
The Eterna 1439U features the following functions:
- Automatic (bumper)
- Calendar
- Date
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.095 x 300 x 9.0 mm | GR2605X | Auto | Buy mainspring |
| 1.10 x 0.100 x 250 x 8.5 mm | 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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