The Expendables and Rocky star is selling watches worth potentially millions, from Patek Philipe, Cartier, Audemars Piguet, Rolex, and Panerai.
Watch Expert Says Sylvester Stallone's 'Holy Grail' Is One Of The 'Most Insane' Watches Created
TMZ
As for what's so special about it ... he gives us a sense of what it can do, and why it's a collector's item -- and, apparently, it..
