Cartier Men's W20058C4 Santos Galbee Stainless Steel and 18K Gold Watch Swiss Made watch with Cartier Calibre 120 Swiss-automatic movement; Functions without a battery; Powers automatically with the movement of your arms Scratch-resistant-sapphire crystal; Case diameter: 29 mm Solid square stainless steel and 18kt yellow gold case and screw studded stainless steel bracelet with 18kt yellow gold screw accents Roman numeral white-guilloche dial; Blued steel sword-shaped hands; Studded 18kt yellow gold stationary bezel; Date window at 3 o'clock; Stainless steel octagonal-shaped crown with spinel crystal Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion