With premium components, construction, and performance, the Luminox Navy SEAL Chronograph 3581.EY is favored by special forces and casual sports enthusiasts alike. CARBONOX is lightweight but durablea |6X lighter than steel and 3X lighter than titanium. Weatherproof construction is up for anything. And Luminox's self-powered colored light tubes provide illumination during nighttime missions. Plus, this special Navy SEAL edition features the classic SEAL mantra, inchThe only easy day was yesterday, inch inscribed into the 20-minute dive countdown on the dial. Luminox Light Technology (LLT) is always visible No charging. No button-pushing. No cheap fluorescent paint. The self-powered illumination is made possible with micro gas light sources. The glowing tritium gas is surrounded by a phosphorescent powder layer and then housed in heat-resistant glass. Each light is carefully placed on the hands and dial. And the constant glow each emits is always visiblea |for up to 25 years. CARBONOX durability is irrefutable CARBONOX's carbon compound makes for a tough, lightweight Watch that's comfortable to wear. It's non-metallic, anti-allergenic, and anti-magnetic. It's shock, scratch, and even chemical resistant. Weatherproof performance means it has very low thermal extension and low heat expansion along with not succumbing to extreme temperatures. 100% Swiss-made movement and construction Ronda 5030.D HH1 Quartz movement 45mm CARBONOX case with 316L stainless steel case back CARBONOX unidirectional rotating bezel has protected colored light tube with sapphire crystal at 12 Self-powered illumination lasts for 25 years Tempered scratch-resistant mineral crystal Black rubber signature strap with stainless steel brushed ion-plated black signature buckle Weatherproof, shock and scratch resistant Water resistant to 200m (660') 20-minute dive countdown colored inscription: inchThe only easy day was yesterday inch Order today!