Swiss Legend Men&#39;s 50028-YG-03 Sandstone Collection Automatic Gold-Tone Stainless Steel Watch Precise 18-jewel Swiss automatic movement; functions without a battery; powers automatically with the movement of your arm Scratch-resistant sapphire crystal; polished gold-tone stainless steel case; black alligator strap Date function Black sandstone dial with luminous hands and dot hour markers; gold-tone roman numerals at 12:00 and 6:00; single watch winder included; exhibition case back Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving