Caliber Number 4R36 Movement Type Automatic with manual winding Duration Approx. 41 hours Exterior Case Material Stainless steel Crystal Hardlex LumiBrite Lumibrite on hands and indexes Band Material Nylon Other Details Water Resistance 10 bar Case Size Thickness: 13.4 ㎜ Diameter: 42.5 ㎜ Length: 46 ㎜ Weight 95.0 g Other Specifications LIMITED EDITION on the case back Screw case back See-through case back Serial number engraved on the case back Unidirectional rotating bezel Other Features 24 jewels Day/Date display Stop second hand function