Sylvester Stallone's 'Holy Grail' Watch Will Fetch Over $5 Mil, Expert Says

  • 7 days ago
Sylvester Stallone is about to score a massive payday after putting his watch collection up for auction, because one of the timepieces could fetch a literal king's ransom.

YouTube personality Nico Leonard van der Horst -- who knows all things watches -- tells TMZ ... he simply can't believe Sly is parting with his ultra-rare Patek Philippe Grandmaster Chime