The mechanical watch movement is maintained as follows:1. A special reminder that no watch should be worn in warm water or in the bathroom, even if your watch is waterproof, because the sealed roll rubber of the watch, which is easily aged by heat and surrounded by smaller molecules of water vapor, can easily penetrate into the case and cause damage to the internal machinery. 2. If your watch is in a different state, you should immediately take it to a specialized watch store for inspection. 3. A mechanical automatic watch must be worn for more than 10 hours a day with sufficient activity to function properly. 4. Different watches should be worn for different occasions, such as sports watches with excellent water resistance and shock resistance are best for sports. 5. Watches with WATER RESESTENT or 3ATM marked on the cover are generally only suitable for water splashes or light rain without pressure. 6. As the internal mechanics of each watch are different, the error of a mechanical watch or mechanical automatic watch is within 30 seconds per day under normal use (this standard is promulgated by the national ministry), while the error of a quartz watch is lower and more accurate.
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