I have now purchased 4 of these watches, because the kids seem to love them and so far they are holding up to my kiddos pretty well.  My kids are swimmers and runners, so they really like the timer/lap function.  They only trouble we've had is that my middle child set the timer to go off, but didn't have it quite right and it went off in the middle of a MEEP test, teacher was not too happy about that,