11 1/2 ”’
Diameter 25,60 mm
Height 4,10 mm
Hours, minutes, central second
Universal hour indicator with disc
Quick correction of universal hour indicator
Time setting with stop-second
Self-winding mechanism, bidirectional
Frequency: 28’800 vibrations per hour; 4 Hz
21 jewels
Regulator system ETACHRON
Typical power reserve: 50 hours
