Important Collectors Watches, Pocket ...

Geneva, Mar 29, 2009

LOT 320

Tourbillon Chronographe Audemars Piguet, Genève, "Royal Oak, Tourbillon Chronograph", movement No. 570743, case No. F03628, Ref. 25977 ST. Made in a limited number, sold on April 10, 2004. Very fine and important, large, water-resistant, stainless steel wristwatch with visible one minute tourbillon regulator, round button chronograph, register and a stainless steel Audemars Piguet deployant clasp. Accompanied by a fitted wooden box and a certificate.

C. Three-body, polished and brushed, transparent case back with 8 screws, octagonal bezel with 8 hexagonal white gold screws, screwed-down hexagonal winding-crown and pushers, sapphire crystals. D. Blue checkerboard pattern with applied blue luminous indexes, silvered subsidiary dials for the seconds and the 30-minute register, aperture for the tourbillon regulator under a polished steel bridge at 6. Luminous white baton hands. M. Cal 2889, rhodium-plated, fausses cotes decoration, 25 jewels, lateral lever escapement with one-minute tourbillon regulator, monometallic balance adjusted to heat, cold and 5 positions, self-compensating Breguet balance-spring. Dial, case and movement signed. Diam. 47 mm. Thickness 13 mm. Approx overall length 175 mm.