BREGUET. A FINE AND RARE PLATINUM SKELETONIZED PERPETUAL CALENDAR TOURBILLON WRISTWATCH WITH RETROGRADE DATE, LEAP YEAR INDICATION AND ORIGINAL CERTIFICATE

US$80,000-120,000

With Breguet Certificate dated 23rd September 2007, polishing cloth, fitted presentation box and outer packaging.

The "tourbillon", Breguet's historic invention patented in 1801, was conceived to compensate for rate errors resulting from the effect of gravity on the moving parts. A watch balance will go fast or slow depending on the position of the watch. Breguet solved the problem by rotating the entire balance and escapement about their common axis once a minute, averaging out the positional errors by the constant rotation. Breguet received a patent from France's ministry of the interior for "a new regulating device known as the tourbillon" on 26 June 1801. The document was dated according to the republican calendar of the time, 7 Messidor, Year IX.

Special Notice

Prospective purchasers are advised that several countries prohibit the importation of property containing materials from endangered species, including but not limited to coral, ivory, tortoiseshell and crocodile. Accordingly, prospective purchasers should familiarize themselves with relevant customs regulations prior to bidding if they intend to import this lot into another country.