The Henry Graves Supercomplication watch sold for $ 24.4 million . In the past few years, a lot of watches have been made with more complicated movements and better materials to make them last longer. It was last wound in 1969 , yet remains in perfect working order . Made by Patek Phillipe in 1933 , it 's most advanced timepiece made by hand . The watch has 24 functions other than telling time .
The Henry Graves Supercomplication watch sold for $ 24.4 million . In the past few years, a lot of watches have been made with more complicated movements and better materials to make them last longer. Made by Patek Phillipe in 1933 , it 's most advanced timepiece made by hand . The watch has 24 functions other than telling time .