Jaeger LeCoultre is a fantastic brand with many great watches. However, this may be the best watch I have ever seen from them. First of all, the watch features a dual-wing movement. If you don't know what this is it is a movement that has one part for timekeeping (the first wing) and the other part is for an additional complication (the second wing) that is controlled by one balance wheel. So it is two separate movements combined into one movement regulated by one balance wheel. It is supposed to give more accuracy without having to sacrifice power reserve because each part has its own mainspring. The case of the watch is crafted in an elegant pink gold with an exhibition caseback that displays the beautifully decorated movement (in-house caliber 383). Each "wing" of the movement has a 50 hour power reserve and it can be wound from a single crown, another nice feature. Basically every piece of the movement has some kind of hand finishing on it, whether it be chamfering or smooth or snailed. The thing that makes this watch so special though is the fact that it is the first watch that enables to the minute setting of the second time zone. Now we all know that time zones are not exactly +6 hours or -2 hours, there are also minute deviations. This watch is the first to count these into the equation. The way it works is that it the owner must first synchronize the two time zones then they can use the pushpieces at 8 and 10 o'clock to adjust the jumping hours and the crowns first position to adjust minutes. The subdial at 2 o'clock is the hour and minute hand for the running time while the subdial at 10 o'clock has the minutes of travel time and the jumping hours. In addition to the dual time zone there is a globe located at 6 o'clock that has a day/night indicator and it automatically synchronizes with the travel time. More information, pictures and a description of the dual time function can be found here: http://www.jaeger-lecoultre.com/US/en/content/du
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