Quartz movement Black Alloy strap Buckle clasp Stainless Steel bezel encrusted with Crystal Mineral crystal Push-pull crown Crystal hour markers Date display Case: 37mm x 8mm Bracelet/strap: 16mm wide x 8in long Water-resistant up to 1 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.