11 1/2 ”’
Diameter 25,60 mm
Height 6,20 mm
Hours, minutes, central second
Big date display in window
Quick correction of date
Time setting with stop-second
Self-winding mechanism, bidirectional
Frequency: 28’800 vibrations per hour; 4 Hz
25 jewels
Regulator system ETACHRON
Typical power reserve: 42 hours
