Caliber Number 4R35 Movement Type Automatic with manual winding Duration Approx. 41 hours Exterior Case Material Stainless steel with ceramic bezel Crystal Sapphire crystal with magnifier Crystal Coating Anti-reflective coating on inner surface LumiBrite Lumibrite on hands, indexes and bezel Band Material Silicone Other Details Water Resistance 200m / 660ft diver's Case Size Thickness: 12.8 ㎜ Diameter: 43.8 ㎜ Length: 48.7 ㎜ Weight 127.0 g Other Specifications Screw case back Screw-down crown SPECIAL EDITION on the case back Unidirectional rotating bezel Other Features 23 jewels Date display Stop second hand function