Specifications Movement Caliber Number 4R36 Movement Type Automatic with manual winding Power reserve Approx. 41 hours Jewels 24 Functions Case/Band Case Size Thickness:13.4mm Diameter:42.5mm Lug-to-lug:46.0mm Crystal Curved Hardlex LumiBrite LumiBrite on hands, index(es) and bezel Bracelet Length 195.0mm Distance between lugs 22mm Other Details Water Resistance 10 bar Weight 94.0g Features See-through & Screw case back