Here's me and my wife trying on the Sports watch.
My wife : 150mm wrists, 38mm white sports watch
Me : 175mm wrists, 42mm space grey sports watch
I 100% agree with the comments that the photos generally make these watches look much bigger than hey look and feel in real life.
I also tried on the SS w/ leather loop which was very nice, but not another £250 nice, at least not for something I've never used before and is 1st gen. The Milanese Loop was weird - I found it quite feminine - very thin and materially in feel. The SS model is also noticeably heavier than sports.