Seiko 5 Sports SRPD51K1

Movement Caliber Number 4R36 Movement Type Automatic with manual winding capacity Accuracy +45 to -35 seconds per day Duration Approx. 41 hours Exterior Case Material Stainless steel Crystal Hardlex LumiBrite Lumibrite on hands and indexs Clasp Three-fold clasp with secure lock ,push button release Other Details Water Resistance 10 bar Case Size Thickness: 13.4 ㎜ Diameter: 42.5 ㎜ Length: 46 ㎜ Other specifications Screw case back See-through case back Unidirectional rotating bezel Other features 24 jewels Day/Date display Stop second hand function