Important Collectors’ Wristwatches, P...

Geneva, Mandarin Oriental Hotel Du Rhône, Oct 15, 2006

LOT 66

"Royal Oak, Quantième Perpétuel Automatique No. 9" Audemars Piguet, Genève, "Royal Oak, Quantième Perpétuel Automatique", No. 9/25, mvt. No. 425049, case No. D86978, Ref. 25820. Made in a limited edition of 25 examples in1997. Very fine and rare, octagonal, astronomic, self-winding, water-resistant, stainless steel and platinum gentleman's wristwatch with perpetual calendar, phases and age of the moon and a stainless steel Royal Oak bracelet and deployant clasp. Accompanied by a fitted box and certificate.

C.Three-body, polished and brushed, octagonal bezel with 8 hexagonal recessed white gold nuts screwed to eight screws on the transparent case back, hexagonal windingcrown, sapphire crystals. D. Blue with applied white gold indexes, subsidiary dials for the days of the month, of the week, the months and the age of the moon, aperture for the moon phases. White gold "bâton" hands. M. Cal. 2120, rhodium-plated, 38 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating flat balance spring, engraved 18K yellow gold rotor segment. Dial, case and movement signed. Diam. 39 mm. Thickness 10 mm. Approx. overall length 190 mm.