Movement Type Automatic with manual winding Duration Approx. 41 hours Exterior Case Material Stainless steel Crystal Curved Hardlex LumiBrite Lumibrite on hands and indexes Clasp Three-fold clasp with push button release Other Details Water Resistance 10 bar Case Size Thickness: 13.2 ㎜ Diameter: 39.4 ㎜ Length: 48.1 ㎜ Weight 146.0 g Bracelet Length 205 ㎜ Other Specifications Screw case back See-through case back Three-fold clasp with secure lock Other Features 24 jewels Day/Date display