Wore this watch, brand new, twice in the RAIN--not a hard rain, just average. First time, fogged up and the result is that the date is no longer readable. (One of the reasons I bought the watch was for the date display.) Second time, today, I am looking at the watch and there is water in the chrystal and the the display has all but disappeared. Unusable! Horrible watch. I didn't even put it under water--some rain just happened to hit it while I was walking my dogs. Timex is obviously not the quality brand that it once was. I guess their Marathon Watch is not for marathoners who dare to run in the rain. Good luck with that!