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Eterna 1239UC
Ligne: 11.5'''
Jewels: 26
Power Reserve: 32 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1954-
Diameter: 25.95 mm
Height: 6.9 mm
Hands: 1.40 x 0.84 x 0.25 mm
The Eterna 1239UC is a detached manual wind watch movement. It features automatic winding, a sweep second function, and a date function that can be set by changing the time from 22:50 to 24:00. This watch movement was used starting from 1954 and onwards.
The Eterna 1239UC features the following functions:
- Automatic Winding
- Date: set by changing 22:50-24h
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3934 | Ordinary/None | Buy staff |
| 4118 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.35 x 0.100 x 315 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
| Part Description | Reference # | Alternate | Buy |
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