This handout picture released by auction house Sotheby’s on July 10, 2014 shows the the Henry Graves Supercomplication timepiece. Timekeeping afficionados set their alarms Thursday, when auction house Sotheby’s announced the “Holy Grail” of watches will be up for sale in November. The Henry Graves Supercomplication, a timepiece which has an estimated value of 12 million euros ($16 million), is “the most complicated watch ever made completely by human hand” and will be sold in Geneva on November 14, Sotheby’s said.
Henry Graves Supercomplication
