ETA caliber A05.231

Ref. A05.231

The ETA caliber A05.231 is an automatic movement with a 68-hour power reserve, beats at 28,800 vph, and carries 29 jewels.

Self-winding movement with chronograph, Nivachron hairspring.

Type
Automatic
Display
Analog
Power reserve
68 h
Frequency
28800 vph
Jewels
29
Diameter
30 mm
Complications
Chronograph, Hours, Minutes, Small Seconds
Base caliber
ETA caliber 7753