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Eterna 1246UT
Ligne: 12'''
Jewels: 17/21
Lift Angle: 55°
Power Reserve: 45 hrs
Frequency: 21600 vph
Type: Automatic
Period used: 1972-1979
Diameter: 27.4 mm
Height: 7.2 mm
Hands: 1.50 x 0.90 x 0.26 / 0.26 mm
The Eterna 1246UT watch movement, used during the period of 1972-1979, features a sophisticated excenter self-winding mechanism with just one gear stage. It is similar to the 6139A model, with only minor modifications to the switching mechanism. This movement offers a range of functions, including an automatic chronograph with a 60-second and 30-minute counter. It does not have a manual wind feature, and the day and date display can be quickset by pushing the crown to different depths. The movement also includes shock protection and displays hours, minutes, central chronograph seconds, a 30-minute counter, day, and date.
The Eterna 1246UT features the following functions:
- 30 minute counter
- Automatic chronograph, 60s, 30min, pillar wheel
- Automatic Winding
- Calendar
- Central chronograph seconds
- Chronograph Movement
- Date
- Date: quickset by pushing the crown less deep
- Day
- Day and Date Display
- Day: quickset by pushing the crown deeper, 2 languages
- Hours
- Minutes
- No Manual Wind
- Shock Protection
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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