The Luminox Navy SEAL 3500 Series is a recent evolution of the best-selling Navy SEAL collection of timepieces. Origin Swiss Made Always Visible Constant glow for up to 25 years in any light condition Size/Diameter 45 mm Water Resistance 200 meters, 20 ATM, 660 feet, individually tested Movement Ronda 515, Swiss Quartz Battery/Battery life 395 / 50 months Case CARBONOX™ black, with crown protection Case Fiberglass Compound, with crown protection (3503.ND) Bezel Uni-directional rotating bezel fitted with LLT protected by sapphire crystal at 12 H Case back Stainless Steel, screw on Crystal Hardened Mineral Crystal Crown Double-Security Gasket Height 14 mm Weight 232 g (3501.GOLD.SET, 3517.NQ.SET), 71 g (3507.WO, 3501, 3501.BO, 3503, 3505, 3507, 3517, 3503.ND, 3507.PH), 93 g (3502, 3502.BO) 2 Year Limited Warranty10 Year Warranty for Tritium Tubes
