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Watch usage precautions: 1. Please do not approach magnetic objects such as watches, radios, televisions, etc. to avoid affecting accuracy. 2. Do not make the watch close to solvents, mercury, cosmetics sprays, detergents, adhesives or paints, camphor, or the watch case and strap will be discolored, deteriorated or damaged. 3. To prevent rust or discoloration on the case and strap, it is recommended to wash and dry with clean water every day (referring to watches with the "WATER" waterproof logo on the back case). 4. When the mechanical watch is not in use, wind it up once a month to prevent the oil inside the watch from solidifying. 5. A waterproof, shock-absorbing, and anti magnetic watch can only serve a preventive purpose. When in use, it is still necessary to avoid contact with water and magnetic fields, as well as strong vibrations, to avoid damaging the movement and affecting its service life. Interpretation of waterproof watch: 1. No waterproof or water resistant function: Ultra thin watches, art watches, and jewelry watches are mostly of this type. It is recommended to keep them close to moisture and store them in a dry and damp place. 2. Watch with water resistance device 30M; Ordinary waterproofing is usually achieved by pressing the back cover, which has the function of resisting water and gas invasion. However, it is not suitable for immersion or swimming, as it only has a water resistant device. 3. A watch with a waterproof device of over 100M, with a back cover locking method, can be submerged in water but not allowed to swim or dive. 4. A diving watch with a capacity of over 200M; During diving and in daily life, it is important to ensure that all waterproof heads are securely locked after adjusting the time Our company has been engaged in the design, production, and sales of watches for more than 20 years. We have rich experience in OEM and ODM, and welcome friends who need to visit and inspect us at any time