epa10282121 A transparent sapphire crystal and titanium skeletonised Richard Mille Tourbillon Sapphire limited edition, during a preview at the Christie's, in Geneva, Switzerland, 02 November 2022. It is estimated to sell between 2,500,000 - 4,500,000 Swiss Francs (Euro 2,535,000 - 4,563,000). The auction will take place in Geneva on November 06. EPA/MARTIAL TREZZINI
