Classic 3-6-9 layout chronograph movement based on the legendary ETA/Valjoux 7750. Used in Certina DS Action Diver Chronograph models. Features small seconds at 9 o'clock, 30-minute counter at 3 o'clock, and 12-hour counter at 6 o'clock. Date correction via pusher at 10 o'clock. Robust and reliable automatic chronograph workhorse.
Movement Type
Automatic
Jewel Count
27 jewels
Power Reserve
42h
Frequency
28,800 vph (8 Hz)
Diameter
30mm
Height
7.9mm
Display Type
Analog
Rotor Type
bidirectional
Winding
ball bearing
Shock Protection
Incabloc
BRAND
ETATYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheLAUNCH YEAR
1974CALIBER FAMILY
77xxCOUNTRY
SwitzerlandALSO KNOWN AS