These are the most expensive watches of the 7 richest billionaires – Humblest of all, Bill Gates wears a $1,200 Tag Heuer whereas Elon Musk’s Richard Mille costs more than two Tesla Model S cars and trumping them all is the $6.5M Patek Philippe of the world’s richest man
byForbes recently released its list of the world’s 10 richest people, with Bernard Arnault, Elon Musk and Jeff Bezos ranking as the top three,…