Being as true to its namesake as a professional divers watch as it is to being a timeless style icon not much can come close to the omega seamaster planet ocean mens watch featuring a 42mm stainless steel case this bold watch has a specification second to none the blue dial features luminous hour markers silver hands with luminous tips for ease of use in low visibility and a date window protected by scratch resistant sapphire crystal a blue unidirectional rotating bezel helium escape valve