The battery in my watch died and the only one I had with a working battery was a Mickey Mouse watch. Was that a mistake to wear it to work! The distraction was ridiculous! Every time I walked up to a student to help with work, that child and everyone sitting nearby just wanted to look at the watch and ask me questions about it. I know I've worn it before without problems. I must have had on long sleeves that covered it. I finally ended up taking it off and putting it in my pocket. They still all wanted to see it, though. :| The things that stop everything in a classroom never cease to amaze me.