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The "WATER RESISTANT" on the back of the watch indicates that the watch is a water resistant watch, and the number behind it indicates the waterproof level of the watch, for example, 100 M, 10ATM means that it is 100 meters waterproof. And if there is no number marked at the back, it is generally waterproof for 20 meters by default, which means that the watch is normally waterproof to 10 or 20 meters. In daily life, you still need to be careful to prevent the watch from getting wet. If your watch accidentally touches water, you need to wipe it dry in time. When the waterproof level reaches 30 to 50 meters, the waterproof level of this watch reaches the level of daily life. You can take a shower and don't worry about rain, because the surface of this waterproof watch can resist a small amount of water splashing on it. If you wear a watch with a water resistance of 50 meters, you won't even have a big problem taking a bath. If the waterproof level is 100 to 200 meters, which is already very high then in daily life, there is almost no need to worry about water entering the watch, even if you take the watch to the swimming pool. However, it is not recommended to soak the watch for too long in hot water. Watches with a water resistance of more than 200 have reached the standard for diving watches. You can swim with this kind of watch in deep water for a long time without fear of water entering the watch. Soaking in water for a certain period of time can no longer do harm to this kind of watch. Basically, the grades of water resistant watches that ordinary people buy are between 10 and 50 meters, so you still need to pay more attention to the waterproof performance of the watch. So what exactly do you need to pay attention to when you wear a watch?
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