Introducing the Luminox Tritium Blue Mil-Spec 46MM Military Dive Watch Mil-Spec (short for Military Specification) refers to the military standard from the U.S. Department of Defense. The Luminox Tritium Blue Mil-Spec 46MM Military Dive Watch with a lightweight yet ultra-durable CARBONOX™+ 46mm case, Grade 2 Titanium bezel, and 300-meter water resistance, meets these rigorous technical standards and thrives in the world’s toughest conditions. Inside, the Swiss-made ETA F06.412 quartz movement with HeavyDrive and PreciDrive ensures precision and reliability, even under extreme impact or temperature change. The bold white strap and bezel markings offer an arctic-ready aesthetic, while the large orange second hand with SuperLumi-Nova coated arrow-tip, plus Luminox Light Technology, ensure unmatched visibility in all light conditions. Delivered as a set with an additional black webbing strap, this battle-tested timepiece offers both performance and versatility. Built to the technical compliance of MIL-PRF-46374G Type III Class 1. SKU: XL.3355.2 TECHNICAL INFORMATION ?? Movement: Swiss Quartz, ETA F06.412 ?? Battery Life: 84 months ?? Illumination: Constant glow for up to 25 years in any light condition ?? Bezel: Titanium, unidirectional rotating bezel, fitted at 12h with a protected colored light tube and sapphire crystal CASE ??? Material: CARBONOX™+ ?? Caseback: 316L stainless steel, screw in ?? Diameter: 46 mm ?? Thickness: 14 mm ?? Water Resistance: 300 meters / 1000 feet / 30 ATM, individually tested CROWN & GLASS ?? Crown: 316L stainless steel, screw down ?? Glass: Sapphire crystal with anti-reflective coating STRAP ? Strap: Blue rubber strap with CARBONOX™ signature buckle ?? Buckle: CARBONOX™ ?? Lug Width: 24 mm