Quartz movement Black Genuine Leather strap Strap Buckle clasp Stainless Steel bezel encrusted with Stainless Steel case Sapphire-Coated Mineral crystal Screw-down crown Black dial with luminous gunmetal hands Date display Case: 53mm x 46mm x 15mm Bracelet/strap: 22mm wide x 9.05in long Water-resistant up to 200 meters Manufacturer's limited warranty It is customary to treat most gemstones to achieve enhanced color and durability. Some of these treatments may not be permanent, and may require special care.