6497-1

ETA 6497-1 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: 18'000 vibrations per hour; 2,5 Hz
17 jewels
Regulator system ETACHRON
Typical power reserve: 52 hours