Fossil Men's FS5161 Machine Chronograph Brown Leather Watch Round watch with knurl-edge topring and green dial with guilloche center and contrast coppery tone at hands, indices, and chronograph subdials 45 mm stainless steel case with mineral dial window Quartz movement with analog display Leather band with buckle closure Water resistant to 50 m (165 ft): In general, suitable for short periods of recreational swimming, but not diving or snorkeling