Eterna caliber 3916A
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3916A description
Eterna Movement further development of the calibre 39 family is the flyback chronograph with a co-axially mounted minutes and hours display. The fast time zone switch-over mechanism is a patented Eterna Movement development.
Case fitting diameter: 30.0 mm
Height: 7.9 mm
Vibrations per hour: 28’800 v.p.h.
Power reserve: 60 h
No. of jewels: 35
No. of ball bearings: 1
