Silver-tone stainless steel case and bracelet. Uni-directional rotating blue and red stainless steel bezel. Blue dial with silver-tone hands and index 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. Transparent see through case back. Round case shape, case size: 42.5 mm. Fold over clasp with a safety release. Water resistant at 100 meters / 330 feet. Functions: date, day, hour, minute, second. 5 Series. Dive watch style.