While this is a cute, cheap watch, it's hands don't glow in the dark so you have to turn on a light to see the time and if you're over 50 like me, you might need your glasses just to see the hands with the lights on.  For some reason, when I did a search on Amazon for solar powered watches this one came up. It IS NOT a solar or light powered watch. It does need a battery. I've seen other reviews where they said some colors will be absorbed by the band, but I haven't worn it enought to see that happen.