The highest version of Rolex Milgauss series 116400 lightning needle 904L, green sapphire glass is the same as the original! No electroplating, no silk screen printing. Size: 40mm equipped with Seagull 2824 movement adopts Oyster steel forged steel watch case, which belongs to the class of 904L steel. This super alloy is widely used in high-tech, aerospace and chemical industries, so it must have high resistance Corrosive. Oystersteel is not only very durable and easy to polish, but its beauty remains undiminished even in the most extreme environments. The electro-optical blue dial, the green sapphire glass mirror and the electro-optical blue dial, contrast with the iconic lightning-shaped second hand. Rolex Milgauss-a tribute to science!