Specifications: Caliber Number 4R35 Movement Type Automatic with manual winding Duration Approx. 41 hours Exterior Case Material Stainless steel Crystal Dual-curved sapphire crystal Clasp Deployment clasp with push button release Other Details Water Resistance Splash Resistant Case Size Thickness: 11.7 ㎜Diameter: 41.7 ㎜Length: 48.5 ㎜ Weight 127.0 g Bracelet Length 205 ㎜ Other Specifications Screw case back See-through case back Other Features 23 jewels Date display Stop seconds hand function