The 20-year veteran will be based in Hong Kong.
Bronze case and brown dial.
Making it the most expensive English watch ever.
The Space Travellers Watch is going on the block, five years after it was last sold.
Once the world's most complicated timepiece goes unsold in Geneva.
The yellow gold example of the Calibre 89 will go under the hammer at Sotheby's Geneva auction in May 2017.
LIVE FROM GENEVA: Patek Philippe Henry Graves Supercomplication Becomes Most Expensive Watch Ever SoldSotheby's has just sold the Patek Philippe Henry Graves Supercomplication for 23.2 million Swiss francs, or US$24 million, to a unsurprisingly, victorious bidder - making it the most expensive timepiece ever by a wide margin. We bring you a quick rundown of the sale right here.