I just got a Rolex Milgauss like this one, though mine has a white face. It's 40mm, and on my wrist, it fits perfectly! I agree with MissusB--it's a lot easier to see the time with a larger watch, and according to a jeweler I talked to yesterday, these big watches are very popular.
http://www.wriststyle.com/images/milahguass_191.jpg
-Royal, you got the white dial, am I right? I can't wear mine out and about yet because it hasn't listed yet as on my Insurance policy, even though I sent them the appraisal! I plan to check and complain soon if I don't see it!
I love that green crystal, but it's not in the budget right now.