The top lots for the auction are as follows:
"The Longitude Watch" Louis Audemars, Brassus, Swiss, No. 11734, specially made for the 1873 Universal Exhibition in Vienna. Extremely fine and unique 18K gold hunting cased, double face, moon phase astronomical keyless watch with perpetual calendar and two time zone subsidiary dial, specially designed to give the time by difference of longitude, for one of the 40 European cities selected on the outer ring.
Sold for 174,000.00 CHF
Estimate CHF 80,000 - 100,000
Rolex Oyster Perpetual, Officially Certified Chronometer, Ref. 6062, 1950's. Extremely rare and fine tonneau shaped, waterproof, self-winding, astronomic, 18K yellow gold and diamonds gentleman's wristwatch with triple date and moon phases, and 18K yellow gold flexible bracelet.
Sold for 119,000.00 CHF
Estimate CHF 90,000 - 11,000