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Longines HydroConquest Ref. L3.784.4.56.9


New Longines 43mm Hydroconquest Black Ceramic Dial Rubber Strap, Ref L37844569

The Longines HydroConquest was introduced over 10 years ago as part of the sports collection.  The most visible feature of this watch is the case that is  for the first time fashioned out of high-tech, scratch-resistant black ceramic, the same material used by the Omega Seamaster 300.   The unidirectional bezel is also ceramic.  The crown guards are slightly reworked and securely hug the screw-down crown. The solid caseback includes the Longines winged hourglass logo.  Nicely legible thanks to the high contrast dial, which results from the silver polished hands set against the matte black ceramic dial.  The white Super-LumiNova treatment of the raised indexes, large Arabic numerals and hands ensures excellent contrast in all conditions. The raised Longines logo is a typical feature of a finely crafted watch, with the entire dial covered by a sapphire crystal that features several layers of anti-reflective coating on both sides and is practically invisible.

Only 1 left in stock

Categories: , , SKU: 210000004166

Additional information

Band Color


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Rotating, Uni-Directional, Ceramic, 60-Minute

Box and Papers

Box and Papers

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Screw Down

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Factory Warranty

Item ID4166
Model #L37844569
Model NameHydroconquest


Because its trademark winged hourglass is the watch world’s oldest trademark, a person could understandably believe that Longines is the oldest watch company, although that isn’t the case. Formed in 1832 as a small workshop that assembled watches, it wasn’t until later that the company grew into the brand we know as Longines. In 1867, Longines built a factory on a site that would give the company its name, a site known locally as Les Longines, (the long-meadows.) Longines blossomed in the meadows and by 1929, had won an amazing ten Grand Prix awards. A Grand Prix was a competition between watchmakers where they presented watches of high degree of accuracy and complication. When these exhibitions ceased, Longines had won more than any other watch company. Longines had a long association with aviators, including Charles Lindberg that was largely based on an innovative watch that used a calibrated bezel to calculate longitude in flight. But their remarkable aviation success was surpassed when in 1936, they developed what many believe to be one of the finest chronograph movements ever designed, the caliber 13ZN. The SWATCH group gave life to the company when quartz movements replaced the more expensive mechanical movements. Today, Longines continues as a brand known for producing affordable and well-crafted timepieces in keeping with its long tradition. Its heritage in aviation and exploration on the land and sea is celebrated with the reintroduction of the Longines celebrated historical models.