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.