Swisstek SK14614G Limited Edition Black Diamond Watch With Scratch Resistant Tungsten Bezel, "Super Luminova" Luminous Dial, And Sapphire Crystal Swiss-made watch with scratch resistant sapphire crystal; Swiss quartz eta g10.791 movement Swisstek limited edition watch; limited to 100 pieces worldwide Chronograph with alarm function Tungsten bezel; 0;36 carats black diamonds on case Water resistant to 165 feet (50 M): suitable for swimming and showering