Opera Two, No.2, circa 2007 37-jewel Cal. GP9897, rhodium-plated, 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, cream dial with applied gold faceted dagger hour markers, subsidiary dials with outer gilt ring 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 division, gold faceted dauphine hands, brushed and polished case with curved lugs, glazed exhibition back held by 6 screws, sapphire crystals, fitted makers leather strap with 18k rose gold folding clasp, together with fitted presentation wooden box, setting pin, key, original certificate of authenticity and hard back two volumes instruction books, case, dial and movement signed 40mm.
Opera Two, No.2, circa 2007 37-jewel Cal. GP9897, rhodium-plated, 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, cream dial with applied gold faceted dagger hour markers, subsidiary dials with outer gilt ring 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 division, gold faceted dauphine hands, brushed and polished case with curved lugs, glazed exhibition back held by 6 screws, sapphire crystals, fitted makers leather strap with 18k rose gold folding clasp, together with fitted presentation wooden box, setting pin, key, original certificate of authenticity and hard back two volumes instruction books, case, dial and movement signed 40mm.
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.jpg?w=400 "Source: Christie's")
.jpg?w=400 "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
