Swisstek SK12605G Limited Edition Automatic Watch With Natural Diamonds, Sapphire Crystal And Sapphire Exhibition Caseback Swiss-made watch with scratch resistant sapphire crystal; Swiss automatic 25-jewels eta 2824-2 movement; functions without a battery; powers automatically with the movement of your arm Swisstek limited edition watch; limited to 25 pieces worldwide Date function Blue dial with diamonds Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion