The most widely used automatic chronograph movement. Originally designed by Valjoux, absorbed by ETA. Cam-lever chronograph with characteristic 12-6-9 subdial layout. Based on the manual-wind Valjoux 7733 and partially computer-designed — a first in the industry.
Movement Type
Automatic
Jewel Count
25 jewels
Power Reserve
48h
Frequency
28,800 vph (8 Hz)
Diameter
30mm
Height
7.9mm
Display Type
Analog
Rotor Type
central_rotor
Winding
automatic_unidirectional
Shock Protection
incabloc
BRAND
ETA SATYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
1973CALIBER FAMILY
775xCOUNTRY
switzerlandALSO KNOWN AS