When the watches go up for auction, the "undisputed centerpiece" will be the Patek Philippe Reference 6300G-010 Grandmaster Chime the actor has owned for some time, according to Sotheby’s.

Take a look at some of the most expensive watches in the world, and how much they cost. The Patek Philippe Grandmaster Chime ...

Want more insider watch coverage? Get Box + Papers, GQ's newsletter devoted to the watch world, sent to your inbox every Friday. Sign up here. Update 6/5: Sylvester Stallone's Patek Philippe ...

Patek Philippe calls the Grandmaster Chime an "intelligent watch" with features such as a minute repeater, instantaneous perpetual calendar with a four-digit year display, and a second time zone.

For its 175th anniversary, the luxury Swiss watchmaker Patek Philippe invented a collection of limited-edition commemorative timepieces called The Grandmaster Chime with 20 complications ...