Reinvention of Huyguens sprung balance principle. A new monolithic oscillator made out of Silicon Frequency of 18Hz (129,600 vibrations per hour)
Zenith Oscillator (Calibre 9100)
148
129,600 VpH (18 Hz)
approx. 50 hours
Hours and minutes in the centre Central seconds hand
Titanium case & Aeronith Bezel
44 mm
10 ATM
Blue Openworked
Black rubber with blue rubber "cordura effect" & grey stitchings
Titanium double folding clasp
