 
| 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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