I don't have a birth date watch but definitely want a Sub or GMT Master II. The price of finding one of these is great condition is a bit more prohibitive than a Speedmaster. Also, buying vintage watches can be a minefield but with Speedmaster 101, it is fairly easy to know what you are getting into. I am not sure it is as easy with Rolex (perhaps it is with a little research).
My birth year is '70 but my Speedy is a '68 transitional because it is much more interesting than a '70 Speedy.
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