Family: CO 9xx25 jewels42h power reserve28,800 vph (8 Hz)
The CO 947 is an automatic movement manufactured by Corum. It is based on the Valjoux/ETA 7750, with the chronograph functions removed. The movement measures 30mm in diameter, operates at 28,800 vph, contains 25 jewels, and provides a 42-hour power reserve. It displays the day and date. The movement remains in production.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
25 jewels
Power Reserve
42h
Frequency
28,800 vph (8 Hz)
Diameter
30mm
Display Type
Analog
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheBASED ON
ETA SA 7750CALIBER FAMILY
CO 9xxALSO KNOWN AS
caliber co 947