OMEGA Seamaster Planet Ocean 600M Co-Axial Chronograph 45.5mm Mens Watch 215.30.46.51.03.001The OMEGA Seamaster Planet Ocean 600M 21530465103001 pays homage to OMEGA's dive watch heritage and is presented on a full polished and brushed stainless steel bracelet. With its blue features giving link to being a divers watch, this model features a blue ceramic dial with Arabic numbers and a date window positioned at 6 o'clock. The dial has on it two sub dials; one with a small seconds dial and the other having 60-minute and 12-hour counters for instinctual reading of elapsed time. Mounted on a 45.5mm stainless steel case is a unidirectional rotating divers' bezel which is also made from blue ceramic and has a Liquid metal diving scale. Visible from the transparent case back is the, Swiss made, OMEGA Master Chronometer Calibre 9900 movement which has achieved Master Chronometer status by passing the 8 rigorous rests set by METAS (The Swiss Federal Institute of Metrology). Water resistant to