Though just about everyone can figure out what numbers the hour / minute hands are pointing to, without solving the equations, this Geek Wrist Watch is as geeky as they get. For the ultra geeky, you can write each one down on a piece of paper and explain to everyone just how you got the numbers. Available now, priced at $65. In related news, continue reading to see the “Pop Quiz” and “Science Quiz” clocks.

[via UncommonGoods]