Swiss quartz movement Black leather strap Stainless steel bezel encrusted with 87 black diamonds = 1.21 ct. tw. Stainless steel case Sapphire crystal Black dial with stainless steel hands Date display Bracelet/strap: 22mm wide 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.