The Longines L3.774.4.90.2 Legend Diver watch from the Heritage collection combines a 42mm round shaped stainless steel case and blue fabric strap with a traditional buckle. It has a blue fade effect analogue dial with a date display and Swiss Super-LumiNova coated hands all of which is protected beneath scratch resistant sapphire crystal glass with several layers of anti-reflective coating on the underside. Power is generated by the L888 automatic movement with a power reserve of approximately 72 hours. This model also has a water resistance of up to 300 metres.