Swiss Legend Men's 10006A-RG-01-BB Legato Cirque Automatic Collection 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 18k rose gold-plated and black ion-plated stainless steel case; black rubber strap Date function Black textured dial with rose gold-tone luminous hands, hour markers and roman numerals; black ion-plated stainless steel bezel; 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