Nice boys watch for 7 yr old

[TooTiredToArgue]

It's DS's birthday on Thursday. He'll be 7 and I think would quite enjoy a watch now. Can anyone recommend a nice one that will last, and not look silly in a year's time? Needs to be quite simple and easy to read at a glance too.

I've been looking at lego ones and think they look quite nice (DH doesn't agree, and thinks we should go for something more 'classic' )

Probably don't want to spend more than £20.

Thanks.