Recommended ReadingMore Old, Issued Rolex Watches In One Place Than You Ever Thought Possible

A few times per year, some of the biggest vintage Rolex collectors and most important vintage Rolex dealers gather in an undisclosed location to, well, play show and tell. But this show and tell isn't like what you used to play in grade school – there are no Barbies, Teenage Mutant Ninja Turtles, or the like. Nay, this show and tell features some of the absolute rarest, most hard-to-come-by vintage sports watches in the world. For this go-around, the theme was "Issued" watches, meaning the majority of the timepieces seen were provided to team members of military, police, and private dive units, rather than sold at retail. This is rarified horological air, people.