The Audemars Piguet Royal Oak Concept Flying Tourbillon 26228BC.SS.D314CR.01 is a rare find, with only six pieces in existence. The case is made of elegant white gold and measures at 38.50mm. Inside, you'll find a hand-wound movement and a flying tourbillon. The dial and case are adorned with a breathtaking 208 baguette-cut sapphires, while the movement boasts nine brilliant-cut diamonds. This limited edition timepiece is a true masterpiece.