Luminox Navy SEAL, 45 mm, Dive Watch. The Luminox Navy SEAL has a captivating 45 mm CARBONOX™ case with dive bezel and water resistance up to 200 meters; it can be used for diving. This black-in-black dial is equipped with the proven Luminox Light Technology lighting system. "Always Visible", self-powered, for up to 25 years. Case, dial and strap are black. Case diameter 45 millimeters. Origin: Swiss Made Always Visible: Constant glow for up to 25 years Size of case (diameter): 45 mm Function: Time Date Water resistance (meters, feet, ATM): 200 / 660 / 20 Movement: Swiss Quartz Case material: CARBONOX™ Bezel: Uni-directional rotating Case back: 316L Stainless steel screw on Crystal glass material: Hardened mineral crystal (550-650 Vickers) Crown: Screw in, double security gasket, crown protected Strap / bracelet: PU Lug width: 24 mm Case height: 14 mm Weight: 71 g