Description This remarkable wristwatch is part of the Heritage Collection which celebrates Luminox’s 35 years of groundbreaking light technology. For maximum visibility, this timepiece features 16 LLT tubes and a white-textured dial fully coated with Super-LumiNova®, which gives it an aquatic glow when charged and activated in dark light conditions. In addition, the numbers on the bezel are painted with Super-LumiNova®, making this watch Luminox’s most luminous piece to date. Powered by a SELLITA automatic movement, the watch combines a 42mm stainless-steel uni-directional bezel with a black strap and a black ceramic ring insert on the bezel. Whether you’re in the office, catching a wave, or hundreds of meters underwater, this dynamic timepiece is engineered for peak performance. More Details Origin: Swiss Made Always Visible: Constant glow for up to 25 years Size of case (diameter): 42 mm Function: Time Date Water resistance (meters, feet, ATM): 200 / 660 / 20 Case material: 316L Stainless steel Bezel: Uni-directional rotating Case back: 316L Stainless steel screw in Crystal glass material: Sapphire crystal, anti-reflective coating Crown: Screw in, double security gasket, crown protected Strap / bracelet: 316L Stainless steel Lug width: 24 mm Case height: 12 mm Weight: 172 g