Vintage speculation

First, let me say that no sane person invests in watches as they rarely gain in value, and if they do, it's not enough to out-perform more traditional methods. Okay, now that we got that out of the way let's have some fun!What watches do you think have the best chance of gaining value over the years? It can be new or vintage. I'll stick with vintage for a couple reasons. One: you can get them for a fraction of what a new watch from the same company costs; two: the depreciation has already be