Important Modern and Vintage Timepieces

Geneva, Mar 27, 2011

LOT 150

AUDEMARS PIGUET WORLD'S SMALLEST TOURBILLON Audemars Piguet, "Tourbillon Automatique", No. 296. Sold on February 2nd, 1990. Very fine, rectangular "galbé," thin, self-winding, 18K yellow gold wristwatch with visible one-minute tourbillon regulator and oscillating weight and an 18K yellow gold Audemars Piguet buckle. Accompanied by fitted box, warranty and instruction booklet.

C. Three-body, solid, polished and brushed, stepped bezel, small teardrop lugs, back-winder, sapphire crystal. D. Yellow gold with embossed "Sun Ray" pattern, gold dot indexes for the hours, apertures for the visible tourbillon regulator with polished steel bridge at 11 and at 6 for the oscillating weight with the initials "AP". Black oxidized gold feuille hands. M. Cal. 11'?', hand engraved, 32 jewels, straight-line lever escapement with visible one-minute tourbillon regulator with titanium cage, monometallic balance, self-compensating flat balance spring. Crystal and movement signed, case numbered. Dim. 29 x 33 mm. Thickness 5.5 mm.