From the Seiko 5 Sports collection and the Automatic (with manual winding) movement. This Men's watch has a stainless steel case with a black ion finish and a case diameter of 42.5mm. This watch also has a black dial with a unidirectional rotating bezel, black hands and markers, and a black nylon strap. Other features include a screwdown see-through caseback, and a day and date calendar. Water resistance is 100 meters.