This Cartier Rotonde De Cartier Flying Tourbillon Ref W1556215 is rated 9.8 out of 10. It comes with box and warranty booklet dated in January 2014. Rotonde de Cartier Flying Tourbillon watch, 40 mm, Manufacture mechanical movement with manual winding 9452 MC certified “Poinçon de Genève”. 18K pink gold case, beaded crown set with a sapphire cabochon, white galvanized guilloché dial, silvered openwork satin-brushed grid with sunray effect and black transferred Roman numerals, blued-steel sword-shaped hands. Brown alligator-skin strap with double adjustable 18K pink gold folding buckle. Flying tourbillon complication with seconds indicated by the C-shaped tourbillon carriage. Individually numbered movement comprised of 142 parts including 19 jewels. Movement diameter: 24.9 mm, movement thickness: 4.5 mm, balance: 21,600 vibrations/hour, power reserve approx. 50 hours. Sapphire case back. Case thickness: 10.6 mm. Water-resistant to 3 bar (30 meters/100 feet).