The website for The Keystone, a high-end vintage watch dealer in Los Angeles, features a section dedicated to "holy grails," ...

This timepiece, the GMT-Master (or GMT-Master II ), has proliferated through the zeitgeist to such an extent that even ...

But luckily not entirely. We’ve still got the Rolex GMT-Master. The GMT-Master, which was released in 1955 and is celebrating its 70th birthday this year, was a totally new kind of travel watch.

Rolex designed the original GMT-Master for Pan Am airline pilots in ... once owned by Paul Newman sold for nearly $18 million—setting the vintage watch market on fire in the process.