Seiko 5 (Seiko Five) Men's Sport Automatic Watch . Lug width: 20 mm. Approximate Case thickness: 13 mm. Approximate Case size: 40 mm. Crown at 4 o'clock position. Day and date indicator at 3 o'clock position. Water resistant to 100 meters. Rotating bezel. Mineral crystal glass. See-thru case back. Black dial with luminous indexes marker. Folded and double lock stainless steel bracelet. Stainless steel case. Automatic movement. #SNK031 SNK031K1 #.