NOT KNOWN DETAILS ABOUT TOURBILLON WATCH

The dial, also made from Sedna gold, contains a Sunshine-brushed, black PVD complete and a tourbillon cage occupying its Heart, with hand-polished bevels made of black ceramized titanium. A large sapphire window within the caseback presents a rear watch with the movement, Omega’s Co-Axial Master Chronometer Caliber 2640, whose tourbillon esca