Jacob & Co. Billionaire Tourbillon White Diamond 58 x 47.5 mm watch. Model reference: BL110.30.BD.UB.A. 18K white gold case set with 260 carats of diamond emerald-cut. Skeleton dial set with diamonds. Manual-winding movement. Diamonds bracelet. Swiss made. The watch comes in the original packaging, with a set of documents and 2 years warranty. At Modern Wrist we offer new authentic watches at the best prices.