I know this has been debated before but there's gonna be a new Apple Watch and I want one but I don't know which size to get. I want to be ready to choose right when it is released! Upon trying them on, I noticed my 155-160mm wrist fits more into the range of "small-medium" straps/bands...but the nuance is that I'm uncertain if that correlates in my case to a watch case that is 38mm rather than 42mm. FYI I'm a slim male...usually fit into size "small" clothes...(5'8", 130lbs) When my hand is fully open/extended, the 42mm case might look more in scale, but then the band styles I can use without having a lot of extra/loose material are very limited in number. What sorts of things do you consider when you are in this kind of Apple Watch sizing dilemma?