Patek Philippe’s rare creation from the 1980’s, the Calibre 89, is all set to go under the hammer at Sotheby’s Geneva auction on May 14. Complete with 1,728 components in all, the Calibre 89 is the most complicated Patek Philippe ever seen. It boasts of 33 Complications and is 9cm in diameter, with a thickness and weight of 4cm and 1.1kg respectively. The watch was originally produced in four colors – yellow, white, rose gold and platinum. The current yellow gold version fetched 11 million at Christie’s last year and is estimated at a whopping £6 – 8m this time.
