You won't get much help asking things like this. Go read the Rolex section, there is a wealth of info in there that will answer all your questions, or at worst give you enough info to ask more specific questions that won't get you flamed.
You won't get much help asking things like this. Go read the Rolex section, there is a wealth of info in there that will answer all your questions, or at worst give you enough info to ask more specific questions that won't get you flamed.