Watch Set Contents: Men's watch body, box, instruction manual included. Men's watch, casual, popular, multi-functional watch. Drive system: Analog quartz (battery included in the watch). Functions: Chronograph (24-hour counter, 60-minute counter, 60-second counter); Date display. Men's watch body size: Black stainless steel band, 200mm length, 20mm width, shell thickness 11mm, black dial diameter 41mm, weight: approx. 125g. Wristwatch for men, daily life waterproof: 3BAR (Do not press the buttons while swimming. Do not expose to steam or hot water to avoid breaking the waterproof seal.) The watch is made with a high-hardness mineral glass mirror, which is wear-resistant, scratch-resistant, and waterproof, providing better protection for the dial. Luminous material is used for the luminous pointers, and the feature of luminescence is that it stores light energy such as ultraviolet rays contained in sunlight and fluorescent lights, and emits light when the surroundings become dark.