Silver-tone stainless steel case with a blue stainless steel bracelet. Uni-directional rotating silver-tone stainless steel bezel with a black ring. Blue dial with 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. Caliber 4R36 automatic movement with a 41-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 45 mm, case thickness: 13.2 mm. Fold over clasp with a push button release. Water resistant at 200 meters / 660 feet. Functions: date, day, hour, minute, second. Prospex Series. Casual watch style. Seiko Prospex Automatic Blue Dial Mens Watch SRPE39K1.