Important Modern & Vintage Timepieces

Geneva, Nov 08, 2015

LOT 181

GIRARD PERREGAUX REF. 99741 OPERA TWO CARILLON MINUTE REPEATER PERPETUAL CALENDAR TOURBILLON PINK GOLD Girard-Perregaux, "Opera Two, Tourbillon, Westminster Minute Repeater, Perpetual Calendar," No. 20, Ref. 99741. Made circa 2012. Extremely fine, rare and important, minute-repeating 18k pink gold wristwatch with visible one-minute tourbillon regulator under three bridges, perpetual calendar with leap year indication and an 18K pink gold Girard-Perregaux deployant clasp. Accompanied by a large wooden box, blank warranty card, certificate of authenticity/ instructions.

Three-body, solid, polished and brushed, stepped bezel, straight and curved lugs, transparent case back with 6 screws, sapphire crystals. Black with applied white gold dart indexes, outer minute track, 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. White gold faceted dauphine hands. Cal. GP 9897, 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 by activating slide on the band.