Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel. Blue dial with luminous silver-tone hands and stick 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. Caliber: 7S26C automatic movement with a 40-hour power reserve. Scratch resistant Hardlex crystal. Pull / push crown. Skeleton case back. Round case shape. Case size: 39 mm. Case thickness: 11 mm. Band width: 18 mm. Fold over clasp with a safety release. Water resistant at 30 meters / 100 feet. Functions: date, day, hour, minute, second. Casual watch style. Seiko Series 5 Automatic Blue Dial Mens Watch SNKE51.