Swiss Legend Men's 50028-YG-03-ABR51C Sandstone Collection Automatic Gold-Tone Watch with Winder 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; brown alligator strap Date function Blue sandstone dial with gold-tone hands and roman numerals; luminous dot hour markers; screw-down crown; exhibition case back; watch winder included Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving