The Blancpain Fifty Fathoms ‘Demo’ Milspec 1 is one of perhaps 20 in the world.

The pre-owned luxury watch market is booming, outperforming new sales as demand outstrips supply and prices soar. Iconic brands like Rolex and Patek Philippe are seeing significant value appreciation.

Porsche’s No. 7 outlasted a long fog stoppage and a late Cadillac charge to win overall as class battles stayed tense to the end. I’ll be honest: the Rolex 24 is one of the few ...