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Frederique Constant Calibre FC 910
© FC

FC 910 ("Heartbeat") is a calibre by Frederique Constant.

Mechanical movement with manual winding, power reserve more than 48 hours.

After more than two years of development in cooperation with leading experts Frederique Constant presented the calibre "Heartbeat". It has the peculiarity that through a dial opening at 6 o'clock a free look at the balance wheel is possible. The new movement, all realized in Switzerland, is the subject of various patents.


Frederique Constant


Manual winding movement, manufacture movement
Yoke winding system
KIF precision adjustment
Shock protection KIF-Antishock (2x)
Glucydur balance wheel
Hairspring Nivarox No. 1
Geneva stripes and perlage




13¼ lignes
D 30.5 mm, H ? mm
17 jewels
97 components
28,800 A/h
Power reserve 48h

Production period:

Since 2004