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Ulysse Nardin - Grand Deck Marine Tourbillon

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Ulysse Nardin's link with the nautical world is particularly evident in the new Grand Deck Marine Tourbillon, a timepiece presented at Baselworld 2016 that surprises for its innovative mechanisms and unique dial design.


The hand-crafted wood marquetry dial evoking a ship's deck houses a truly creative time display with the retrograde minutes display taking the form of a boom, the horizontal spar used to angle the head sail.



Linked to a 60-second flying tourbillon positioned at 6 o'clock, this patented system is drawn by a super-strong (many times stronger than steel) hi-tech fiber that is thinner than a human hair. This nanowire measures a mere 0.0357 mm in diameter and is capable of withstanding traction of 1.41 kg without stretching.

Working like the halyard cord that is used to hoist the sails of a ship, a wire pulls the blued-aluminum boom across a translucent graduated arc. The boom jumps back once an hour, its speed regulated by a purpose-designed retrograde mechanism. The leap takes 3 to 4 seconds and can be viewed also through the case back.



The jumping hour is driven by two large concentric disks that turn in real time, and is displayed through a double aperture. A corrector positioned at 2 o’clock can be used to set the time quickly.

The Manufacture’s Calibre UN-630, a 60-second flying tourbillon with manual-winding movement, contains 469 components and oscillates at a frequency of 3 Hz (21,600 vph). Despite the considerable power requirements of the boom display, the movement offers a remarkable power reserve of over 48 hours. A first barrel is devoted to movement while a second barrel supplies power to the complicated display system of hours and minutes.


On the back, the loading and unloading of the balance spring can be viewed through the skeletonized barrels with the spring winding up into the center of the barrel, when the watch is wound.

The Grand Deck Marine Tourbillon is housed in a 44 mm white-gold case with a fluted bezel and a screw-down crown with blue rubber molding. It offers water resistance to 100 metres / 330 feet.



Available in a limited edition of 18 pieces on an alligator strap with a white gold folding buckle, the Ulysse Nardin Grand Deck Marine Tourbillon (ref. 6300-300/GD) has a price of Swiss Francs 280,000. ulysse-nardin.com


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