I was doing some looking along the same lines a few weeks back and only turned up this-
http://www.omega-addict.com/reviews/bracelets/
It's not great, but it'll give you a start. However, I think the only readily-available vintage-style bracelet is the 1171 at Otto Frei... Unless you're willing to spend some time searching, and a good amount of cash paying, for an actual vintage Speedmaster bracelet. In that case, my personal favorite is the 1039.
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