A Patek Philippe platinum minute repeater wristwatch made for Henry Graves, Jr., one of the world’s foremost Patek collectors, in 1927, will be auctioned off by Antiquorum in New York next week. This is first time this watch has been offered at auction, having been kept in a private collection for over 50 years. Born [...]

An extremely rare 1956 Patek Philippe chronograph that’s never before been offered for sale is expected to fetch up to $1.2 million at Antiquorum’s Important Collectors’ Wristwatches, Pocket Watches & Clocks auction at their Madison Avenue US headquarters on Oct. 16. The Ref. 2499, first series 18K yellow gold wristwatch has a square button chronograph, [...]