Tommy Hilfiger Men's 1790671 Automatic Skeleton Dial Silver-Tone Watch Quality automatic movement; functions without a battery; powers automatically with the movement of your arm Watch does not require battery to operate, watch is powered by the movement of your arm Stainless steel case, silver enamel dial Brown calf leather strap Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion