I don't consider myself an expert on watches, but every now and then an interesting one will catch my eye. The Chroma Watch is just such an example. Throughout the day, a color wheel behind the black face turns, causing the hour numerals to gradually shift colors. A neat and simple idea, but the kid in me wonders if there's a hack to speed up the color-shifting process to make it more psychedelic.

This watch will run you $140. You can see it in action here.