How does water resistance in wristwatches work, and what do the various levels of water resistance (e.g., 30m, 50m, 100m) actually mean for everyday use?

How does water resistance in wristwatches work, and what do the various levels of water resistance (e.g., 30m, 50m, 100m) actually mean for everyday use?
Admin 1 day, 3 hours ago in Wristwatches
0 Answer(s)