Important Modern & Vintage Timepieces

Geneva, May 13, 2012

LOT 421

AUDEMARS PIGUET ROYAL OAK TOURBILLON, PLATINUM NO. 01 Audemars Piguet, Genève, "Royal Oak, Automatic Tourbillon, 1972-1997", No. 01, movement No. 381323, case No. D92149. Made in a very limited edition in 1997 for the 25th anniversary of the Royal Oak. Very fine and extremely rare, important, large, self-winding, platinum wristwatch with visible one-minute tourbillon regulator, date, power reserve indication and a platinum Audemars Piguet bracelet with an 18k concealed deployant clasp. Accompanied by fitted box, Audemars Piguet Certificate of Origin and magnifying glass.

C. Three-body, polished and brushed, case back with 8 screws, octagonal bezel with 8 hexagonal yellow gold screws, folding hand-setting crown on the back, sapphire crystal. D. Purple ?Tapisserie? decoration with applied luminous white gold baton indexes, subsidiary dials for the date and power reserve, aperture for the tourbillon regulator under a polished steel three equidistant arm bridge at 6. Luminous gold baton hands. M. Cal 2875, rhodium plated, fausses cotes decoration, 25 jewels, lateral lever escapement with one-minute tourbillon regulator, monometallic balance adjusted to heat, cold, isochronism and 5 positions, self-compensating fl at balance spring, platinum iridium rotor. Dial, case and movement signed. Diam. 40 mm. Thickness 12 mm. Approx overall length 175 mm.