Movement Caliber Number 4R35 Movement Type Automatic with manual winding Duration Approx. 41 hours Exterior Case Material Stainless steel Crystal Box-shaped Hardlex Clasp Deployment clasp with push button release Other Details Water Resistance 5 bar Case Size Thickness: 11.8 ㎜ Diameter: 40.5 ㎜ Weight 135.0 g Other Features 23 jewels Date display Stop second hand function