The most “complicated” handmade watch in the world has been sold at auction for an historic $24.4 million. The Henry Graves Supercomplication timepiece, made by the luxury watchmaker Patek Philippe in 1933 for the prominent banker Henry Graves, was sold at Sotheby’s in Switzerland. The sale smashed the world record for the most expensive watch ever sold at auction, which was previously held by the same watch. In 1999, it […]