Cartier Men's W200737G Santos 100 XL Stainless Steel Automatic 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: 38 mm Solid square stainless steel case with screw studded stainless steel bracelet Roman numeral silvered opaline-white dial; Luminescent sword-shaped black outlined steel hands; Polished, studded stainless steel stationary bezel; Stainless steel octagonal crown set with spinel crystal Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving