Leatherback SEA Turtle Giant, 44MM - 0321.LThe Leatherback Sea Turtle Giant Turtle impresses with its 44 mm CARBONOX case and up to 100 meters water resistance. The black dial with white numerals ensures maximum readability during the day. At night, this function is taken over by the proven Luminox Light Technology lighting system. "Always Visible", independent of energy, for up to 25 years. Main Characteristics Swiss Made Constant Glow for up to 25 years in any light condition 44mm Diameter