The top lots for the auction are as follows:
Thomas Engel, Haldenhof Aesch/Luzern, Swiss, No. 27, Tourbillon Garde Temps a Tact No. 2 from a series of two pieces only, completed between December 1981 and 1984. Very fine 18K gold keyless pocket chronometer a Tact, with one minute tourbillon regulator, in original mahogany fitted box with certificate No. 41.
Sold for 164,650.00 CHF
Estimate CHF 130,000 - 150,000