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Calibre 39

For years, Eterna has focused its efforts on enlarging both its manufacturing technologies as well as its movement portfolio. Thanks to the modularity of the Calibre 39, the same base movement can give rise to a total of 88 different movement versions. This, once again, is a testament to Eterna‘s ability to further refine past achievements in the development of watch movements with its inventiveness and precision work.

EMC_Calibre_3903_14_45_Soldat.jpg

Calibre 3903A, 3914A, 3945A

Technical information:

Case fitting diameter:30.0 mm
Height:5.6 mm (3903A+3914A) / 5.9 mm (3945A)
Vibrations per hour:28’800 v.p.h.
Power reserve:65 h
No. of jewels: 29 (3903A+3914A) / 30 (3945A)
No. of ball bearings:1

Functions:

3903A: Mechanical self-winding movement, small second counter, hours and minutes display, date and second stop.

3914A: Mechanical self-winding movement, small second counter, hours and minutes display, date, GMT and second stop.

3945A: Mechanical self-winding movement, central second display, hours and minutes display, date, GMT and second stop.

Calibre 39

A further development of the Calibre 39 family is the flyback chronograph with a coaxially mounted minutes and hours display. The fast time zone switch-over mechanism on the GMTversion is a patented Eterna Movement development.

EMC_Calibre_3916_27_Soldat.jpg

Calibre 3916A, 3927A

Technical information:

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

Functions:

Calibre 3916A: Mechanical self-winding movement, small second counter, hours and minutes display, date, chronograph display for seconds, minutes and hours, flyback and second stop.

Calibre 3927A: Mechanical self-winding movement, small second counter, hours and minutes display, date, GMT, chronograph display for seconds, minutes and hours, flyback and second stop.