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ETA 2789

Features
automatic
sweep second
day: quickset
date: quickset

Data
11.5''', Dm= 25.6mm, H= 5.9mm
17/25 jewels
f = 21600 A/h
power reserve 46h

Remarks
1969-1976, 6156000 (whole family)
first calibre with quickset day and date
family:
each manual/automatic
21600 A/h:
2750/2770: no date
2752/2772: date
2753/2773: date, Triovis regulator
2758/2778: day, date
2759/2779: day, date, Triovis regulator
2761/2781: quick set date
2762/2782: quick set date
2763/2783: quick set date
2768/2788: day, quick set date
2769/2789: quick set day and date
28800 A/h:
2751/2771: no date
2754/2774: date
2760/2780: day, date
2764/2784: quick set date
- / 2790 : quick set day and date

Example, year: signature; shock device
1) ca. 1970: Palmer Sales Corp, Swiss, Calibre ETA 2789, 17 Jewels; Incabloc
2) ca. 1970: Automatic, Swiss Made, 25 Jewels; Incabloc

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