First and hop pool with the dial full of droplets inside. Yet supposedly resistant 100m water resistant, I have not been further than 3m deep. I asked Amazon to arrange, but I was told to go directly with a Casio repair center or dealer. I made myself walk by sending Louis Pion saying that "Ah but you have not the watch was not exposed to products" corrosive "such as shampoo, shower gel, chlorine to the pool ... can Argument what ... I went to the store Histoire D'or just next door, which has kindly supported my watch, and did not try to smoke me. Result, Casio has given them a totally new watch. Since no problem. I said that I had already bought watches in each of these 2 stores, as what customer service really is not the same everywhere!