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Eterna 1247T
Ligne: 11.5'''
Jewels: 17/25
Lift Angle: 52°
Power Reserve: 46 hrs
Frequency: 21600 vph
Type: Automatic
Period used: ~1975
Diameter: 26 mm
Height: 6.25 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Eterna 1247T watch movement, used around 1975, features an indirectly driven minute, which enables a large balance and a low profile. This movement includes various functions such as automatic winding, a sweep second hand, a quickset date function, and a manual quickset month calendar with a day-of-the-week overview.
The Eterna 1247T features the following functions:
- Automatic Winding
- Date: quickset
- Month calendar: manual quickset for days of the week in a month-overview
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.115 x 360 x 13.5 mm | Auto | Buy mainspring | |
| 1.45 x 0.110 x 380 x 10.5 mm | GR3986X | Auto | Buy mainspring |
| 1.45 x 0.115 x 360 x 10.5 mm | GR39981X | 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) | |
|---|---|---|---|
| See More |
Documents
Parts Listing
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