1. Please do not approach watches and magnetic objects;
2. If there is water ingress (air), it should be immediately sent to a repair point for cleaning to avoid rusting of the movement;
3. If there is a protective film or label attached to the back of the watch, please remove them before use, otherwise sweat will seep into the protective paper, causing rust on the back of the watch;
4. Do not expose the watch to various solvents and chemicals, otherwise the watch case and strap may discolor and rust due to erosion;
5. Watches (limited to quartz watches) can operate stably and accurately within the range of 5 ° C to 35 ° C at room temperature. Temperatures exceeding 50 ° C can cause battery leakage or shorten battery life. Do not keep the watch in a low temperature environment of -10 ° C for an extended period of time, as cold air can cause time to slow or speed up. When the watch returns to room temperature, it will return to normal operation;
6. Watches can be divided into diving watches, waterproof watches, and non waterproof watches based on their waterproof performance. Watch waterproofing is achieved by using waterproof rubber rings on the glass, back cover, handle, and other parts of the watch, which are classified into different levels:
(1) SWEAT RESISTENT: It is easy to understand and only prevents sweat from entering the watch;
(2) WATER-RESISTANT: It's okay to occasionally come into contact with water. For example, if you accidentally spray water on your hands while watering a flower, don't be nervous. Just take it off and wipe it clean. In short, it's to prevent accidental water splashes in daily life;
(3) 30 meter waterproof (30M, 3ATM, 3BAR): A watch with the words "30M" on it is a waterproof watch, which can be used for daily grooming or rain, but mainly to prevent damage to the movement by dust and moisture. 30 meter waterproof. According to professionals, each square centimeter area can withstand 3 kilograms of pressure, which is equivalent to 30 meters of water depth in a static state, equivalent to 3 atmospheres of pressure. For ordinary consumers, we only need to remember that 30 meters is the most basic and basic waterproof watch;
(4) 50 meter waterproof (50M, 5ATM, 5BAR): A watch with the word "50M" on it, also known as a 50 meter waterproof watch, is the true waterproof watch in the minds of consumers and can be used for swimming and general household waterproof watches. Remember not to adjust the handle in water;
(5) Diving watch (100 meter waterproof, 200 meter waterproof, 300 meter waterproof, etc.): It is a professional waterproof watch that can be used for underwater work such as swimming and diving.