This is the sophisticated Casio G Shock Smoky Black Men’s Watch DW 5600WS 1DR. These new color models express the multi faceted moods and looks of the majestic seas. The base model is the square DW 5600. This lineup s colors are based on a summer sea motif, which changes its appearance depending on the time of day, including the sunset reflected on the water surface and the jet black of the night sea.