Movement Caliber Number 4R36 Movement Type Automatic with manual winding Duration Approx. 41 hours Exterior Case Material Stainless steel (hard coating) Crystal Hardlex LumiBrite LumiBrite on hands, index(es) and bezel Band Material Silicone Other Details Water Resistance 200m / 660ft diver's Case Size Thickness: 13.4 ㎜ Diameter: 42.4 ㎜ Length: 49.4 ㎜ Weight 120.0 g Other Specifications LIMITED EDITION on the case back Screw case back Screw-down crown Serial number engraved on the case back Unidirectional rotating bezel Other Features 24 jewels Day/Date display Stop second hand function