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 black ceramic dial and a date window the black ceramic unidirectional bezel with omega liquidmetal diving scale is mounted on a 395 mm stainless steel caseomega seamaster planet ocean21530402001001case size 395mmcase steelstrap stainless steelglass domed scrat