细节
ROGER DUBUIS. A FINE AND RARE 18K WHITE GOLD LIMITED EDITION DOUBLE TOURBILLON WRISTWATCH WITH RETROGRADE MINUTES AND POWER RESERVE
SIGNED ROGER DUBUIS, EXCALIBUR DOUBLE TOURBILLON MODEL, NO. 26/28, CIRCA 2007
Cal. RD01 mechanical movement stamped with the Geneva seal, 52 jewels, two one minute flying tourbillon carriages visible through the black dial each revolving in the opposite direction, silvered baton numerals, arched sector with white Arabic numerals for retrograde minutes, circular case, ribbed bezel, hinged crown guard, partially glazed display back with engraved RD motifs secured by six screws to reveal the double tourbillon and fan-form power reserve indicator, 18k white gold Roger Dubuis deployant clasp, case, dial and movement signed
46 mm. diam.