Introduction to waterproof watches

The so-called waterproof watch refers to a watch that has a certain degree of resistance to water pressure, and the pressure resistance value is not obtained underwater, but converted from the atmospheric pressure resistance value

1. The watch with the lowest waterproof level is only marked as "waterproof". This type of watch can withstand water splashing, but cannot be submerged in water.

2. At a higher level, the most common indication is waterproof to a depth of 50 meters, indicating that this watch is suitable for swimming.

3. Another level higher is waterproof to a depth of 100 meters, indicating that the watch is suitable for snorkeling and swimming with a snorkel.

4. Next, it is waterproof to a depth of 200 meters, suitable for leisure diving using a diving respirator.

5. Further to a depth of 1000 meters. The final level table can be used for deep-sea diving, and its sealing gasket is made of material that can withstand helium gas in the diver's decompression chamber.

Waterproofness is not permanent and is influenced by many factors. Some of these factors may be affected by wear or time, the sealing gasket may corrode or deform, the case may be damaged, or the crystal glass may loosen or break. Therefore, watches require some preventive maintenance and upkeep.

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