GREUBEL FORSEY.A VERY FINE, EXTREMELY RAREAND IMPRESSIVE 18K PINK GOLD LIMITED EDITIONASYMMETRICAL WRISTWATCH WITH DIFFERENTIAL QUADRUPLE TOURBILLONAND POWER RESERVE SIGNED GREUBEL FORSEY, INVENTION PIECE 2 MODEL, NO. 02/11, CASE NO. 02 325, CIRCA 2011 Movement: Cal. GF03N, manual, 64 jewels, signed Dial: Differential quadruple tourbillon regulator with each inner tourbillon inclinedAtA 30Angle rotating once every 60 seconds with the outer tourbillon rotating once every 4 minutes, signed Case: Glazed display back secured by 7 screws, 43.5 mm. wide, signed With: 18k pink gold Greubel Forsey double deployant clasp, Greubel Forsey Extrait du Grand LivreAnd Certificat de Grand Service. This certificate is valid during six months following the date ofAcquisition of the watchAt Christie’s, offering the new ownerA free servicing (but not exceeding 10,000 CHF of the retail service price) of the present watch in Greubel Forsey’s workshops, subject to conditions published on the back of the Certificate.