Caliber Number 4R36 Movement Type Automatic with manual winding capacity Duration Approx. 41 hours Exterior Case Material Stainless steel (hard coating) Crystal Hardlex LumiBrite Lumibrite on hands and indexes 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 ㎜ Weight 170.0 g Other Specifications Screw case back See-through case back Unidirectional rotating bezel Other Features 24 jewels Day/Date display Stop second hand function