The stylish omega seamaster planet ocean 600m automatic chronometer pays homage to omegas dive watch heritage the watch is water resistant to 600 metres 2000 feet 60 bar and has a helium escape valve it features a scratch resistant sapphire crystal features a blue ceramic dial with arabic numerals and a date window at the 3 oclock position omega planet ocean 600m co axial master chronometer21533442103001 case size 435case steelstrap leather with rubber liningglass domed