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Eterna Movement SA

Since 2012, Eterna Movement SA has manufactured revolutionary, high-quality movements as an independent watch movement manufacturer. The foundation of Eterna Movement SA draws on a history of over 150 years of the watch company Eterna SA, a “manufacture” also responsible for giving rise to the company ETA. Key milestones in the history of Eterna Movement SA already include the recently developed, ball-bearing-mounted “Spherodrive” barrel design and the Caliber 39 family, from which over 88 different movement versions can be produced.

The name Eterna Movement is synonymous with products of the highest quality, a continuation of the long tradition of Swiss watchmaking and a formidable spirit of innovation. The unrelenting and passionate desire to conquer watchmaking challenges as well as constantly improve the existing norm has always been the driving force behind Eterna Movement SA. It has allowed the watch manufacturer in Grenchen to continually enrich and revolutionize the art of watchmaking with numerous important developments.

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.