The Mondani Collection of Rolex Wrist...

Geneva, May 14, 2006

LOT 726

"Tourbillon Automatique" Audemars Piguet, Genève, "Tourbillon Automatique", No. 11. Made circa 1990. Very fine, thin, self-winding, rectangular "galbé", 18K yellow gold gentleman's wristwatch with visible one-minute tourbillon regulator.

CHF 12,000 - 16,000

EUR 7,500 - 10,000 / USD 9,000 - 12,000

Sold: CHF 20,650

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 oxydized 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.


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Grading System
Grade: AA

Very good
Case: 3

Good
Movement: 3*

Good

Overhaul recommended, at buyer's expense
Dial: 2-01

Very good

HANDS Original

Notes

The present watch, the world?s first automatic watch with tourbillon, features what is considered even today to have the world?s smallest tourbillon cage and the first tourbillon cage to be made from titanium. This watch has become a highly sought-after collector?s piece.