SKMEI Men's Chronograph Electronic Outdoor Student Waterproof Luminous Sports Watch

Brand SKMEI (Timeless Beauty) Model Number 1251 Movement Electronic Movement with Japanese Battery Functionality 5-degree waterproofing. 1-year long-lasting original battery Material PC Case, PU Strap, Thickened and Reinforced Resin Mirror, Stainless Steel Bottom Cover, Stainless Steel Buckle Color All black, black case with brown ring, black case with blue ring, black case with red ring, brown case with gold ring, gold case with red ring Specifications Weight 60g Watch Maintenance Tips: 1. Please do not bring the watch and magnetic objects close to each other; 2. If there is water ingress (air), immediately send it to a repair point for cleaning to prevent movement rust; 3. If there is a protective film or sticker attached to the case back, please remove them before use. Otherwise, sweat will seep into the protective paper, causing the case back to rust 4. Please do not expose the watch to various solvents and chemicals, otherwise the case, strap, etc. will be corroded and discolored or rusted; 5. Watches (limited to quartz watches) can operate stably and accurately within a range of normal temperatures from 5°C to 35°C. Temperatures exceeding 50°C may cause battery leakage or shorten battery life Battery life.Please do not leave the watch in a low temperature environment of -10°C for a long time, as the cold air can cause the time to slow down or speed up. When the watch returns to normal temperature, its operation will resume Normal; 6. Watches can be divided into waterproof watches, waterproof watches, and non-waterproof watches based on their waterproof performance.The waterproofing of a watch relies on the waterproof gasket rings at the watch glass, case back, and crown Meet the corresponding standards and divide into different levels: (1) Sweat-Resistant (SWEAT-RESISTANT): Quite understandable, it simply prevents sweat from getting inside the watch; (2) General Waterproof (WATER-RESISTANT): It's okay if you occasionally encounter water, like accidentally spraying yourself while watering flowers. No need to worry Just take it off and wipe it clean, and it'll be fine. In short, it's to prevent occasional small water splashes in life (3) 30m Waterproof (30M, 3ATM, 3BAR): A watch with '30M' marking on it is a waterproof watch. It can be used for daily activities or in the rain, but mainly To prevent the movement from being damaged by dust and moisture, the 30m waterproof rating means that professionals explain it can withstand 3kg degrees of pressure per square centimeter, approximately static The pressure at this state is equivalent to a water depth of 30m meters, which is the pressure of three atmospheric pressures. For us ordinary consumers, we just need to remember that 30m is waterproof The most basic and elementary ones will do; (4) 50m Waterproof (50M, 5ATM, 5BAR): A watch with '50M' on it means it's a 50m waterproof watch, which is truly what consumers understand Waterproof watch, suitable for swimming and general household waterproofing.Remember not to adjust the watch crown in water; (5) Diving Watch (5 Waterproof, 100m Waterproof, 200m Waterproof, 300m Waterproof, etc.): It is a professional waterproof watch that can be used for swimming and diving underwater activities. Friendly reminder: 1. Any Waterproof watch should not be exposed to hot water or steam (such as taking a hot bath or sauna); 2. Try to avoid using it in environments with large temperature changes; temperature differences can cause moisture in the air inside the watch to condense, leading to water ingress and fogging inside the watch. As shipped There is fog inside the watch; please take it to a professional watch repair shop for cleaning and maintenance as soon as possible 3. Watches are precision instruments after all, please handle them with care.Good usage habits can extend the lifespan of your watch, while bad habits will shorten it.