Swisstek SK12634G Limited Edition Automatic Tonneau Diamond Watch With White Dial, 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 100 pieces worldwide Date function White dial with 0.32 carats white diamonds on case Water resistant to 165 feet (50 M): suitable for swimming and showering