The watches will be offered in London, Geneva, New York and Hong Kong between July 2019 and October 2020.
Masterworks of Time auctions offer up rare treasures from the 16th century through to the modern masterpieces of George Daniels.
sothebys
Mint condition Rolex Daytona Rainbow with box and papers sells at auction for £237,500.
The auction features a selection of watches which includes rare chronographs, tourbillons, Daytonas, Submariners and Perpetual calendars.
Auction house says a legion of new buyers took part in the auction, both online and in the sale room.
Top of the lots is a piece known as The Asprey by Patek Philippe with a pre-sale estimate of $2-4 million.
Vacheron Constantin offers rare ‘behind-the-scenes’ opportunity complete with five-star hotel stay, private dinners and one-to-one with style director.
The complicated watch was last sold for a record breaking CHF 2.2m in 2006.
All 45 wristwatches on offer from Mr Williams' personal collection were sold at a Sotheby's auction in New York this week.
The auction includes a gold-plated Hamilton watch that the actor wore during Dead Poet's Society, arguably his most popular role.
