At the top of the dial is the flying tourbillon, fully visible without a bridge. Its cage is made of titanium in order to be extra lightweight. The bottom of the dial showcases the minute repeater, with hammers and gongs on display thanks to the openwork. The repeater function has an inertia-free fly wheel.
The case, 45 mm wide, is made of platinum. The total thickness is a spare 12.6 mm. The crown, with its beaded ring for improved grip, is also in platinum, and has the characteristic Cartier sapphire cabochon. The watch has a sapphire crystal caseback as well.
The watch features Cartier’s 9406 MC caliber. This self-winding movement is 39.3 mm in diameter. It has a 3-Hz frequency and runs in 47 jewels. In total, the movement has 578 components. Its power reserve is 50 hours. The movement is wound by an off-center micro-rotor, which can be seen turning through the skeletonized dial. The micro-rotor is in platinum; engraved with the Cartier name, it features both guilloché and Geneva wave finishing.
For the quality of its craftsmanship, the Rotonde de Cartier Grande Complication has received the Poinçon de Genève. The hallmark is visible through the caseback, just below the rotor. Cartier says that the watch took 5 years to develop. Just making the watch is a process requiring nearly 8 months: 15 weeks are spent on producing the components, 10 weeks for decorating and finishing, and 5 more weeks for assembly.
The watch is water resistant to 30 meters. It comes on a black alligator strap with an adjustable double folding clasp in white gold.
For more images of the Rotonde de Cartier Grande Complication, see the following page.