Rotonde de Cartier Grand Complication Skeleton Watch, 45 mm, Manufacture mechanical movement with automatic winding, 9506 MC caliber. Case in 18-carat rose gold, pearly crown in 18-carat rose gold set with a blue cabochon sapphire, dial in anthracite gray satin brass, applied numerals in sun-effect gold, hands in the shape of pomme, stick or hammer in 18-carat rose gold. Semi-opaque dark gray alligator skin strap (additional semi-opaque black alligator strap), interchangeable folding buckle in 18K pink gold. Minute repeater complication, flying tourbillon, perpetual calendar, skeletonized. Movement consisting of 578 components, including 44 rubies. Total movement diameter 39.5 mm, thickness 6.72 mm, balance wheel at 21,600 vibrations / hour, power reserve of approximately 50 hours. Sapphire crystal glass and case back. Thickness 12.57 mm. Waterproof up to 30 meters.