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 ...

It took a whopping eight years and 100,000 man hours to develop, 60,000 of which were spent just on the watch's movement. Patek Philippe calls the Grandmaster Chime an "intelligent watch" with ...

It took a whopping eight years and 100,000 man hours to develop, 60,000 of which were spent just on the watch's movement. Patek Philippe calls the Grandmaster Chime an "intelligent watch" with ...

This Patek Philippe could be one-of-a-kind and that gives it a $2 million price tag. Will it realise that much in Hong Kong?