What is the depth of waterproof? Can you swim or dive?
It is wearing such things, in less than this depth of water will not enter the water and damage. This depth is called waterproof depth.
Most Wei table provides is the depth of 50 meters waterproof performance. As the current waterproof pressure test is a static measurement, it is suitable for daily life waterproof, and it is different from the pressure in the water activities, so it is not encouraged to be used in diving activities.
Waterproof watches may vary with the days of flow change, and may be subject to aging or crown ring vibration and impact.