You cant find a more higher quality dive watch for the money. A massive 47.5mm solid 316L stainless steel case with screwback and screw-down crown delivers 200 feet of water resistance. A heat-tempered, anti-glare mineral crystal presents a clear view of the numerals and bold, luminous markers and hands. An exploding date at 3 oclock ensures unmatched legibility. The offset crown and rubber strap provide unparalleled comfort. Case Diameter : 47.5 mm. Crown : Screw-Down. Crystal : Anti-Reflective Mineral. Luminosity : Hands and Markers. Movement : Quartz. Warranty : 2-year. Water Resistance : 20ATM/200M/660 F. MANUFACTURERS WILL ONLY HONOR WARRANTIES ON PRODUCTS PURCHASED FROM AN AUTHORIZED DEALER. DON’T GET BURNED, BUY AUTHORIZED.