1. It is best to place the desiccant in the place where the watch is placed, but avoid using chemicals such as mothballs and insecticides. 2. Leather watches should avoid contact with water as much as possible to prevent the strap from becoming hard and stinky, which in turn leads to breakage. 3. If the watch is abnormal, it should be sent to a special watch shop for inspection immediately. 4. The automatic watch must be worn for more than 10 hours per day if the amount of activity is sufficient. 5. Different watches should be worn in different occasions. For sports, it is best to use sports watches with excellent waterproof and shock resistance. 6. If there is a hand indicating WATERERESTEST or 3ATM on the cover, the degree of waterproofing is limited to water spray or light rain without pressure. 7. Any watch should not be worn in warm water or in a bathroom. Because of the small amount of water vapor around it, it can easily penetrate into the case and cause internal mechanical damage. 8. Since the internal mechanical structure of each watch is different, under normal use, the error of the mechanical or automatic watch is within 30 seconds per day, and the error of the quartz watch is relatively low. Nanjing Intime Import and Export co., Ltd. , https://www.china-intime.com