Ulysse-Nardin Grand Deck Marine Tourbillon

Marine Deck Tourbillon, Ulysse Nardin

Limited Edition of 18 Pieces

Marine Deck Tourbillon, Ulysse Nardin

The dial of the Grand Deck Marine Tourbillon conjures a ship’s aesthetic and technical finesse.

Hand-crafted marquetry evokes the sun-soaked teak of a ship’s bridge. The blued-aluminum boom sweeps across a translucent arc of blue spinel that extends from 3 o’clock to 9 o’clock.

The boom is drawn by a wire connected to four pulleys secured with blued star-shaped screws, which are echoed by the tourbillon decorated with the Ulysse Nardin anchor. Border detailing and ornamental wires that adorn the top of the dial offer further subtle references to nautical design. In the signature of the Marine Chronometer collection, the Ulysse Nardin logo, placed between two floating maritime symbols that correspond to the letters U and N, echoes the design of the ship’s chronometers that were historically produced by the Manufacture.

Marine Deck Tourbillon, Ulysse Nardin

Technical Specifications:
The case, in 18kt white gold, measures 44mm. It has an AR-coated sapphire crystal, a sapphire display back, and it is water resistant to 100 meters. The fluted bezel has a screw-down crown with blue rubber molding.

Marine Deck Tourbillon, Ulysse Nardin

Movement is the Swiss manual-wind Ulysse-Nardin in-house caliber UN-630 that beats at 21,600 vph and has a power reserve of 48 hours. Functions are: jumping hour in a double aperture. Minutes on a graduated arc. 60 seconds flying tourbillon.

A first barrel is devoted to the time-telling mechanism; a second barrel supplies power to the complication, i.e. to the display of hours and minutes. The latter device is regulated by a specific escapement that collects information from the time-telling mechanism. The double-barrel design (one for the movement and another for the display) prevents the complication from interfering with the workings of the watch. To the rear of the movement, the leading and unloading of the balance spring can be viewed through the skeletonized barrels, a feature that is both functional and fascinating. When the watch is wound, the spring winds up into the center of the barrel. Conversely, when the spring is spent it unwinds out towards the edge of the barrel.

The dial is hand-crafted wood marquetry. Minutes arc of blue Spinel in the center of the dial. Blued aluminum boom indicates minutes.

It comes on a blue leather strap with an 18kt white gold folding buckle.

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