The Valjoux 7750 (ETA 7750) is an extremely popular automatic chronograph movement, used in the majority of mechanical chronograph watches. Developed by Edmond Capt in 1970, it uses a three-plane cam system (coulisse-lever) rather than a traditional column wheel. Features integrated day-date complication with chronograph subdials at 12-6-9 layout. Available in Elaborated, Top, and Chronometer grades.
Movement Type
Automatic
Jewel Count
25 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
