Important Collectors’ Wristwatches, P...

New York, Dec 05, 2007

LOT 297

World?s Smallest Tourbillon Automatique Audemars Piguet, Genève, "World?s Smallest Tourbillon Automatique", No. 172. Made circa 1987. Very fine and unusual, rectangular "galbé", thin, self-winding, 18K yellow gold wristwatch with visible one-minute tourbillon regulator and an integral 18K yellow gold and abalone shell Audemars Piguet link bracelet with deployant clasp. Accompanied by a fitted box and certificate.

C. Two-body, solid, polished and brushed, stepped bezel, back winder, sapphire crystal. D. Yellow gold and abalone shell in a sunray 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 36 mm. Thickness 5.5 mm Property of Various Owners