Due to the popularity of all-steel watches, titanium gradually emerged. Its material is called "aviation age" metal. What is titanium metal? Titanium metal is found in the earth's crust, and its appearance can be bright and shiny metal, or silver gray or dark gray powder. Titanium is a light, hard, heat-resistant and cold-resistant metal with an oxide film on the surface to prevent wear and corrosion.

Steel, chromium and nickel complex refined steel, chromium and nickel complex stainless steel are difficult to process, and their corrosion resistance and wear resistance are better than the former. The surface can be plated or not, and only be polished, sandblasted, and sanded to form a three-dimensional appearance effect with different effects.