Serious responses please.
I'm so sick and tired of seeing yet another limited edition RO may it be to celebrate a cricket team, a bar or a highway that I wouldn't want one! Nothing against the designs which I find fantastic, and a true icon for AP but the marketing has had an adverse effect on me. Movement wise the OS and RO share the same movenet, whereas I believe the Off Shore to be of a modular construction.
I thhink that the only major difference between t he tw would be taste an perception. Both are great watches but none is supperior to the other and you should get the one which puts a greater smile on your face!
However these two threads may help you: