AUTOMATIC • Analog • Chronograph: Chronograph, Column wheel, Flyback
Hands: Hours, Minutes, Small Seconds, Additional 24 Hour Hand (adjustable)
Jewels
35
Reserve
60 h
Frequency
28,800 vph (4.0 Hz)
Diameter
30 mm
Height
-
About this caliber
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. Caliber 3927A has an additional GMT hand.
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
Technical details
Movement
AUTOMATIC
Display
Analog
Jewels
35
Power reserve
60 hours
Frequency
28,800 vph (4.0 Hz)
Hands
Chronograph: Chronograph, Column wheel, Flyback
Hands: Hours, Minutes, Small Seconds, Additional 24 Hour Hand (adjustable)