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Eterna 1237T
Ligne: 11.5'''
Jewels: 25
Power Reserve: 44 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1965
Diameter: 26 mm
Height: 6.3 mm
Hands: 1.40 x 0.80 x 0.25 mm
Base: Gruen 710
The Eterna 1237T mechanical watch movement is an automatic movement with a sweep second hand and a date feature that is set by changing the 21-24 hour position. It was commonly used in watches produced around 1965.
The Eterna 1237T features the following functions:
- Automatic Winding
- Date (set by changing 21-24h)
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.105 x 320 x 10.0 mm | GR3269X | 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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BALANCE COMPLETE, BREGUET | 721/803 | 722/GRU 215 | Buy part |
| CLICK SPRING | 430/GRU 710 | Buy part | |
| IG>SCREW, PLATE | Buy part | ||
| MAINSPRING 1.30-.11-318 | MSN-92 | GR 3269-X | Buy part |
| PAWL WINDING WHEEL-WIG WAG | A/5131 | 1500/GRU 710RSS | Buy part |
| STAFF, INCA | 100/1972 | 723/GRU 560R | Buy part |
| STEM | 200/1495F | 401/GRU 710RSS | Buy part |
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