This mechanical watch features a high-definition luminous configuration, allowing it to absorb and store light energy. It is waterproof up to 50M, making it suitable for swimming, washing hands, or getting caught in the rain. The watch has a synthetic sapphire mirror with a Mohs level 9 hardness and an upgraded anti-scratch coating. The mechanical movement is powered by auto and manual winding, eliminating the need for batteries. The watch band is made of tungsten steel, ensuring it will not fade. The case diameter is 41/28mm, case thickness is 11.5/11mm, strap width is 20/14mm, and strap length is 20/18cm.