Originally Posted by josiahsiung
size of my wrist
That's about the most useless measurement I've ever seen.
I have a tiny wrist - smaller than yours - and I find 36mm-38mm watches completely size appropriate. My 40mm Rolex GMT is large on my wrist, but not in a totally unpleasant way.
Also, $300-$500 isn't going to get you a very nice watch.