Cartier Men's W31077M7 Pasha Seatimer Automatic Stainless Steel Watch Swiss Made watch with Cartier Calibre 049 Swiss-automatic movement; Functions without a battery; Powers automatically with the movement of your arms Scratch-resistant-sapphire crystal; Case diameter: 40.5 mm Solid round stainless steel case with stainless steel bracelet Black dial with stylized arabic numerals; Luminous markers and diamond-shaped rhodium-plated hands; Circular crown with screw-down safety feature and black ceramic accent; Unidirectional bezel; Date function between 4 and 5 o'clock Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving