Swiss Legend Men's 18010A-33L Tungsten Collection Automatic Blue Lapis Stone Dial Watch Precise 18-jewel Swiss-automatic movement; functions without a battery; powers automatically with the movement of your arm Scratch-resistant sapphire crystal; polished tungsten case and bracelet Date function Blue lapis stone dial with silver tone hands and roman numerals; unidirectional bezel; screw-down crown; sweeping second hand; exhibition case Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving