Caliber Number 4R36 Movement Type Automatic with manual winding capacity Duration Approx. 41 hours Exterior Case Material Stainless steel Crystal Hardlex LumiBrite Lumibrite on hands and indexes Band Material Silicone Other Details Water Resistance 200m / 660ft diver's Case Size Thickness: 13.4 Diameter: 45 Other Specifications Screw-down crown Unidirectional rotating bezel Other Features 24 jewels Day/Date display Stop second hand function