The stylish omega automatic seamaster planet ocean 600m master chronometer chronograph pays homage to omegas dive watch heritage the watch features a black ceramic dial with a small seconds sub dial as well as 60 minute and 12 hour counters on one dial for intuitive reading of elapsed timethe black ceramic unidirectional rotating divers bezel with its diving scale is mounted on a 455 mm 18ct rose gold case the omega seamaster planet ocean 600m master chronometer chronograph is water res