Important Modern and Vintage Timepieces.

Geneva, Nov 13, 2010

LOT 548

Girard-Perregaux - Platinum Opera Two ? Black Dial & Diamond Indexes Girard-Perregaux, "Opera Two, Tourbillon, Carillon ?Westminster? Minute Repeater with Tourbillon,? No. 2, Ref. 99740. Made circa 2007. Extremely fine and important, Westminster Carillon minute-repeating with four hammers, platinum wristwatch with visible one-minute tourbillon regulator under three bridges, perpetual calendar with leap year indication and an 18K white gold Girard- Perregaux deployant clasp. Accompanied by the Girard-Perregaux winding box and instruction booklets.

c. Three-body, solid, polished and brushed, inclined bezel, straight and curved lugs, transparent case back with 6 screws, sapphire crystals. d. Black with applied baguette white diamond indexes, subsidiary silver ring dials, for the date at 3, day of the month at 9, months and the leap year indication at 12, aperture for the tourbillon at 6, aperture to view the gongs between 8 and 10, outer minute divisions. White gold faceted dauphine hands. m. Cal. GP9897, rhodium-plated, oeil-de-perdrix decoration, 37 jewels, lateral lever escapement, one-minute tourbillon regulator, tourbillon carriage of the type designed by Ernest Guinand with A-shaped frame, monometallic balance, shock-absorber, self-compensating flat balance-spring, repeating on gongs with 4 hammers activated by the slide on the band. Dial, case and movement signed. Diam. 41 mm. Thickness 14.5 mm.