N Rolex SUB Submariner series 116619LB Blue Water Ghost Blue Ghost v7s version. the case and strap are plated with 750 platinum. and the four corner steel stamps on the back of the case are exactly the same as the genuine product (precious metal 750 standard. Swiss 750 purity standard. Geneva dog head mark. Rolex LOGO mark ). Swiss 2836 movement. ceramic ring imported from Japan. the same sky blue as the original. brushed radial blue dial. sapphire mirror. pure water jet cutting 904L steel + platinum plating. the same color as the original. Platinum powder scale on the bezel. original safety buckle! Ice blue super bright luminous. 40 mm diameter. 300 meters waterproof. The blue water ghost is known as the blue-blooded nobleman. and its grade is higher than the green water ghost. so you must bring the best version. Avoid detours. directly buying this version is your best choice.