Of the 364 lots offered, 218 percent was sold by value and 72 percent sold by lot.
The Calibre 89 drew strong international telephone and internet bidding from Taiwan and Hong Kong to Italy and the US as well as intense in-house bidding before the final bid peaked at CHF 5,120,000; making the piece the most expensive watch sold by auction this year.
The Calibre 89 Patek Philippe is a unique keyless double dial, three-barrel, astrological and astronomical 18-carat gold watch boasting a huge range of extra features.
The Calibre 89 has been sold once before by Antiquorum, who fetched a price of CHF 4,950,000 for it in 1989.
Patek Philippe reigned as the top selling brand across the lots, with a number of others also achieving impressive prices.
The diamond and platinum Patek Philippe Ref. 3990 wristwatch sold for CHF 312,000, while the white gold Ref. 5102 “Celestial” achieved a price of CHF 228,000.
Other highlights of Antiquorum’s 35th Anniversary Sale included an 18-watch cloisonné collection which fetched just over CHF 860,000.