I wore my SAS Sea (44mm) fine, but it looked too big on my wrist IMO. At 42mm, I really like to try one of these PAM's.
http://www.hodinkee.com/articles/the-ra ... om-panerai
PAM620 (cool micro rotor):
PAM574:
This is cool: "Where its predecessor housed the P.999, the brand new caliber P.1000 sports an extra barrel for an additional 12 hours of reserve, and it comes with a seconds-reset function for quick synchronization. Pulling out the crown will zero the second hand at 9 o’clock."