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Ulysse Nardin Marine Acqua Perpetual 333-77 Luxury Watch Review More than a "utility" watch, the 1-of-500 limited edition Ulysse Nardin Marine Acqua Perpetual (calendar) dive watch joins the ultimate in practical complications with the most versatile style of luxury timepiece. By combining the world's most user-friendly perpetual calendar with an exquisite "flinque" lacquer dial worthy of a museum berth, Ulysse Nardin has created a watch that may never leave the fortunate owner's wrist. In the post-1980s world, mechanical watches have risen from the ashes of the "Quartz Crisis" to conquer the Olympus of upscale fashion. Dive watches, once considered implements for utilitarian exploits, have become the chosen currency of accomplished collectors, enthusiasts, and casual buyers of premium men's fashion. As such, the rugged diver has become a de rigueur companion to formal attire. Today, a 200-meter dive watch such as the Ulysse Nardin Marine Acqua Perpetual is as likely to find a home on the trading floor of the NYSE as the seafloor. Viewed in this context, the Ulysse Nardin Marine Acqua Perpetual begins to make sound sense. Its perpetual calendar is a thematic nod the modern adoption of the diver as a man's do-it-all watch. When a watch remains on the wrist from shower to office to pool party to bedtime, it becomes a "perpetual" companion. An extraordinary "flinque" dial and bezel feature rich blue lacquer atop a complex underlying guilloche. The undulating pattern of the guilloche cut was rendered on a traditional nineteenth century-style rose engine, and the vivid blue lacquer accentuates the luster of the innumerable metal facets beneath. It's an image that evokes the seascapes on which Ulysse Nardin's original "marine chronometers" built the Le Locle firm's reputation for excellence. The Ulysse Nardin perpetual calendar is a gem. Designed by the legendary watchmaker Ludwig Oechslin exclusively for UN, the deceptively simple mechanism permits forward and reverse setting of the perpetual calendar elements. Not only is this unique in all of mechanical watchmaking, but the ability to make all adjustments through the crown ensures that operation is intuitive and stress-free. Also a COSC-certified Swiss Chronometer, the Ulysse Nardin Marine Acqua Perpetual's automatic winding caliber UN-33 is a paragon of precision. Based on the thin and fine ETA 2892-A2 base caliber, the UN-33 has been enhanced with is perpetual calendar complications on the bottom (dial) side and fine Swiss finishing on the top (case back) side. A sapphire display case back enables onlookers to appreciate the "engine room" of this submersible seafarer. is proud to offer this limited edition 1-of-500 Ulysse Nardin Marine Acqua Perpetual 333-77 with all original Ulysse Nardin factory boxes, technical manuals, and accessories. Significantly, this example includes the original factory accessory strap, COSC certificate, and continues to keep chronometer-grade time on our chronoscope. See this Ulysse Nardin Marine Acqua Perpetual and all factory accessories on Video and content by Tim Mosso.