STAINLESS STEEL SEIKO 5 AUTOMATIC SPORT WATCH MOVEMENT CALIBER NUMBER 4R36 MOVEMENT TYPE AUTOMATIC WITH MANUAL WINDING POWER RESERVE APPROX. 41 HOURS JEWELS 24 FUNCTIONS STOP SECOND HAND FUNCTION DAY/DATE DISPLAY CASE/BAND CASE MATERIAL STAINLESS STEEL CASE SIZE THICKNESS:13.4MM DIAMETER:42.5MM LUG-TO-LUG:46.0MM CRYSTAL HARDLEX LUMIBRITE LUMIBRITE ON HANDS AND INDEX(ES) CLASP THREE-FOLD CLASP WITH SECURE LOCK ,PUSH BUTTON RELEASE DISTANCE BETWEEN LUGS 22 OTHER DETAILS WATER RESISTANCE 10 BAR MAGNETIC RESISTANCE 4,800 A/M WEIGHT 170.0G FEATURES UNIDIRECTIONAL ROTATING BEZEL SEE-THROUGH & SCREW CASE BACK