Titanium alloy is a stable metal, which is not easy to be oxidized. Its corrosion resistance and heat resistance are very high, even if it is dirty, it will be as good as new as long as it is cleaned.
However, if the surface of titanium alloy watchband is coated with a layer of paint, this layer of paint may wear or fall off with the passage of time and use. So if you want to avoid this situation, you can pay attention to maintenance, such as cleaning and lubricating the strap regularly to maintain its appearance and function.
The above information is for reference only. Consult a professional watchmaker for more accurate information.