ETA 6497-2 UNITAS
16 1/2 ”’
Diameter 36,60 mm
Height 4,50 mm
Hours, minutes, small second
Lépine calibre, crown at 12 o’clock
Manual winding
Frequency: 21’600 vibrations per hour; 3 Hz
17 jewels
Regulator system ETACHRON
Typical power reserve: 60 hours
