I'm a watch geek (I collect lots of them, some nice ones, and some nice looking but cheap.) A friend of mine who is a big Rolex collector, showed me this site, and I found this little story there as well. I just got a kick out of it! I also love the use of Playmobil action figures (had many as a kid!) If you've ever changed a watch band, you'll know why I think it's funny! Personally, I don't care for the style they had chosen to switch it with (I like black or brown leather,) but it's still a humorous take on the task.
Better still, here's yet another method (albeit not the way most people would do it, but...)