The ETA A07.171 is an extended power reserve chronograph based on the 7753 (3-6-9 layout). Part of the newer A07 series with 60-hour power reserve. Used by Tissot and other Swatch Group brands.
Movement Type
Automatic
Jewel Count
25 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
2014CALIBER FAMILY
A07COUNTRY
SwitzerlandALSO KNOWN AS