Luminox Watch Leatherback Sea Turtle Giant 0320 Series XS.0335. Luminox, the original self-powered luminous watch brand, is the watch of choice for global outdoor adventure icon Bear Grylls, U.S. Navy SEALs, The Icelandic Association for Search and Rescue (ICE-SAR), Lockheed Martin’s F-117 Nighthawk stealth and other jet fighter pilots, elite forces worldwide and professional divers. Luminox watches glow up to 25 years in any light condition. Always Visible, tough, powerful and accurate, Swiss-Made Luminox is the ultimate night vision gear for rugged outdoorsmen and other peak performers.