The Collection of a European Nobleman

Geneva, May 11, 2008

LOT 403

Titanium, "Royal Oak ? Chronograph ? Quantième Perpétuel " Audemars Piguet, Genève, "Royal Oak ? Chronograph - Quantième Perpétuel Automatique", movement No. 607561, case No. F 08462-0142, Ref. 25854 TI. Made circa 2005. Very fine and rare, tonneau-shaped with octagonal bezel, astronomic, self-winding, water-resistant, titanium wristwatch with perpetual calendar, round button chronograph, register, moon phases, tachometer and an integrated stainless steel Royal Oak bracelet with double deployant clasp. Accompanied by certificate and booklets.

C. Three-body, polished and brushed, octagonal bezel with 8 hexagonal recessed white gold nuts screwed to 8 screws on the case back, hexagonal screwed-down winding crown, crown and buttons with rubber cap, angled lugs with 4 screws to fix the strap, sapphire crystal. D. Silver, ?Tapisserie? decoration, applied luminous steel indexes, subsidiary dials for the seconds, 30-minute, 12 hour register, the days of the month, of the week, the months and the age of the moon, outer minute/seconds track , outermost tachometer scale. Luminous steel "baton" hands. M. Cal. 2226/2839, rhodium-plated, 54 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. 45 mm. Thickness 16 mm. Approx overall length 175 mm.