Roger Dubuis Excalibur Double Tourbillon Retrograde wristwatch, men, provenance documents and original box

Roger Dubuis Excalibur Double Tourbillon Retrograde wristwatch, men, provenance documents and original box
stainless steel, d=47 mm / Roger Dubuis Excalibur Double Tourbillon Retrograde wristwatch, men, reference EX 45 01 9 N1.67A, manual winding. Mother of pearl dial, with Roman and Arabic numerals, partially glazed for the two tourbillons. Original black alligator strap and deployant-type closure.
The almighty Excalibur Double Tourbillon by Roger Dubuis EX45 01 9 N1.67A is a horological masterpiece.
As the name suggests, it is an extremely complex timing machine, with two Flying Tourbillon complications and a retrograde display allocated to the minutes. Powered by the Roger Dubuis calibre RD01, made by the skill of the best craftsmen in the field of watchmaking today, every single one of its components built entirely in-house. The case measures 46.5 mm by 16.5 mm. On the back there are three see-through windows – two for admiring the tourbillon cages and one on top for the power reserve display. The crown features a beautiful guard that encapsulates it and gives it the dynamic appearance. To access the crown, you just need to flip the crown guard up. The stunning case proudly displays the two tourbillons, as well as the retrograde minute function, which counts the minutes from 0 to 60 and resets to 0 with a vigorous jump once it has reached 60.
Accessories: original box; certificate of provenance and guarantee, dated 27/02/2007 and stamped, distributor Morjan, CD Roger Dubuis and Roger Dubuis Service Certificate signed and dated 18/12/2014, Boutique Roger Dubuis Geneve.