The stylish omega seamaster planet ocean 600m master chronometer pays homage to omegas dive watch heritage the watch features a self winding chronograph movement with column wheel mechanism and co axial escapement and has a power reserve of 60 hours this model with its scratch resistant sapphire crystal features a black ceramic dial with arabic numerals and a date window at the 6 oclock position the dial presents a small seconds sub dial as well as 60 minute and 12 hour counters on one d