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115 . Roger Dubuis
A fine and rare white gold limited edition double tourbillon wristwatch with retrograde minutes and power reserve
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Manufacturer Roger Dubuis Year Circa 2010
Reference No . EX45 01 0 NB . 67 Movement No . 228 Case No . DBEX0054 Model Name Excalibur Double
Tourbillon Material 18k white gold Calibre Mechanical , RD01 ,
52 jewels Bracelet / Strap Black Roger Dubuis crocodile leather strap
Clasp / Buckle 18k white gold Roger Dubuis folding deployant clasp Dimensions 46 mm . diameter Signed
Case , dial and movement signed
Estimate HKD 400,000-560,000 USD 50,000-70,000
The present Excalibur Double Tourbillon wristwatch is sought after by collectors because of its distinguishing features including double tourbillon , retrograde minute hand and power reserve . The dial features two tourbillon carriages visible through a glazed aperture , which is a perfect blend of aesthetic and technical expertise . The crown is protected by a hinged crown guard that swings open for winding and setting the time . The avant garde yet classic appearance gives the watch a very powerful presence on the wrist .
The watch is numbered 7 of a limited edition of 28 pieces only .
Accessories With Roger Dubuis Guarantee dated 15 June 2010 , Office for the Hallmark of Geneva Certificate of Origin for the Watch dated 31 May 2013 , instruction manual , sales tag and fitted presentation box .