Silver-plated stainless steel case with a Blue nylon strap. Uni-directional rotating black-plated bezel with an inlaid black ring. Blue dial with luminous silver-tone hands and dot hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Day of the week and date display at the 3 o'clock position. Seiko caliber 4R36 automatic movement, containing 24 Jewels, bitting at 21600 vph, and has a power reserve of approximately 41 hours. Scratch resistant Hardlex crystal. Transparent case back. Round case shape. Case size: 42.5 mm. Case thickness: 13.4 mm. Band width: 22 mm. Tang clasp. Water resistant at 100 meters / 330 feet. Functions: date, day, hour, minute, second. Additional Info: manual winding capacity. 5 Sports Series. Casual watch style. Seiko 5 Sports Automatic Blue Dial Men's Watch SRPD51K2.