Enhanced chronograph movement based on the Valjoux 7753 with improved 60-hour power reserve. Used in Certina DS Chronograph Automatic (Heritage Collection). Features a classic tri-compax layout with small seconds, 30-minute counter, and 12-hour counter. Developed by ETA with upgraded mainspring for extended power reserve.
Movement Type
Automatic
Jewel Count
27 jewels
Power Reserve
60h
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
2018CALIBER FAMILY
A05COUNTRY
SwitzerlandALSO KNOWN AS
