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Eterna 1237UC
Ligne: 12.75'''
Jewels: 17
Power Reserve: 42 hrs
Frequency: 19800 vph
Type: Automatic
Period used: 1949-1952
Diameter: 28.5 mm
Height: 5.45 mm
Hands: 1.40 x 0.75 x 0.18 mm
The Eterna 1237UC watch movement, belonging to the 28.10 and 30.10 families, was in production from 1943 to 1955, with over 1,300,000 units manufactured. It was a chronometer movement featuring an excenter regulator and Incabloc shock protection. This movement offered several functions including automatic (bumper) winding, a sweep second hand, and the option of a power reserve display. The Eterna 1237UC movement was utilized during the period from 1949 to 1952.
The Eterna 1237UC features the following functions:
- Automatic (bumper)
- Incabloc Shock Protection
- Power reserve display option
- 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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