Swisstek SK47804L Limited Edition Swiss Black Diamonds Watch With Blue Sapphire Set Crown, Genuine Stingray "Galuchat" Strap And Sapphire Crystal Swiss-made watch with scratch resistant sapphire crystal; Swiss quartz Ronda 762 g movement Swisstek limited edition watch; limited to 100 pieces worldwide Genuine stingray strap; modern styling 1.75 carats black diamonds Water resistant to 165 feet (50 M): suitable for swimming and showering