Caliber Number 4R35 Movement Type Automatic with manual winding Duration Approx. 41 hours Exterior Case Material Stainless steel Crystal Box-shaped Hardlex Clasp Slide clasp Other Details Water Resistance 5 bar Case Size Thickness: 11.8 ㎜ Diameter: 38.5 ㎜ Length: 45.4 ㎜ Weight 90.0 g Other Specifications Screw case back See-through case back Other Features 23 jewels Date display Stop second hand function