Omega Seamaster Planet Ocean 600M Master Chronometer Titanium WatchGent's titanium case Omega Seamaster Planet Ocean 600M Master Chronometer wristwatch featuring a sand blasted grade 5 titanium dial with black hands and luminous hour markers; Arabic numeral at the 12 o'clock position; date aperture at the 6 o'clock position; small seconds sub dial, 60 minute and 12 hour counters. 45. 5mm case diameter. Features the world's first premiere grey silicon nitride ceramic bezel with orange rubber; diving scale on the bezel