Swiss Legend Men's 1006A-BB-02-SB 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 black ion-plated and stainless steel case; black rubber strap Date function Silver textured dial with black luminous hands, hour markers and roman numerals; 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