Swiss watch brand Roger Dubuis continues to create new skeletonized tourbillon watch with a double. The latest model will be the most expensive in the lineup through 48 diamonds on the ring on the inside of the bezel, and a massive white gold case. Dial Excalibur Double Tourbillon (EX45-01SQ-20-00 / SX000 / B) is completely open, allowing you to monitor the operation of the mechanism in detail. The cost of new items is 300 000 Swiss francs. A series of this model Roger Dubuis limited to 28 copies.