Movement 680 chronograph, chronometer

Movements Movement 680 chronograph, chronometer
Number:
Oris 680, base ETA 7750
Dimensions:
Ø 30.00 mm, 13 1/4’’’
Functions:
Centre hands for hours, minutes and chronograph 1/4 seconds, 3 subsidiary dials for continuous seconds, 30 minutes and 12 hours counter, date window, date corrector, fine timing device and stop-second
Winding:
Automatic winding, with red rotor
Power-Reserve:
42 hrs
Vibrations:
28’800 A/h, 4 Hz
Jewels:
25