Important Collectors' Wristwatches, P...

New York, Mar 10, 2010

LOT 446

AUDEMARS PIGUET WORLD'S SMALLEST TOURBILLON AUTOMATIC Audemars Piguet, Genève, "Tourbillon Automatique," No. 110. Made circa 1985. Very fine, rectangular "galbé," thin, self-winding, 18K yellow gold wristwatch with visible one-minute tourbillon regulator and oscillating weight, with an 18K yellow gold Audemars Piguet double folding clasp.

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 titanum cage, monometallic balance, self-compensating flat balance spring. Crystal and movement signed, case numbered. Dim. 29 x 33 mm. Thickness 5.5 mm. From The Arman Collection