And now, number one on our #SothebysArchives list of the five most complicated pocket watches to sell at Sotheby’s … This is the legendary Patek Philippe Henry Graves Supercomplication, completed in 1933 and featuring 24 complications. Commissioned by New York banker and one of the greatest watch collectors to ever live, Henry Graves Jr., this horological masterpiece was created as part of his friendly rivalry with automobile magnate James Ward Packard — each seeking to own the most complicated watch ever made. The Supercomplication held the title of most complicated watch in the world for 56 years, until Patek Philippe produced the Calibre 89, in part a homage to the Graves watch. Commissioned in 1925, the Supercomplication was crafted by hand over the course of eight years by ten contributing Swiss suppliers and collaborators to Patek Philippe. Among its remarkable features are a perpetual calendar, moon phases, sidereal time, sunrise and sunset indications, and a celestial chart...