"Pour le Mérite"
The hallmark "Pour le Mérite" relates to the highest German order of merit for exceptional scientific - and later also artistic - achievements. It was inspired by Alexander von Humboldt and instituted in 1842 by Frederick William IV. Lange uses it as an attestation and endorsement of its most eminent movements.
Fusee-and-chain transmission
An original, early drive system in a spring-powered watch. It assures that the going train is driven with the same moment, or torque, regardless of the state of wind of the spring barrel. It improves the accuracy of the watch.
Double rattrapante
Beyond the simple "stop watch" function, a rattrapante chronograph also allows lap-time measurements, time comparisons, and the determination of the fastest or slowest of several laps. With conventional rattrapante chronographs, these measurements are confined to the seconds scale and thus limited to a duration of 60 seconds. The double rattrapante mechanism developed by Lange has an additional rattrapante hand for the minute counter. This makes it possible for the first time to meaningfully exploit the rattrapante functions - for events that last up to 30 minutes.
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The TOURBOGRAPH | "Pour le Mérite" is an exceptional expression of micromechanical virtuosity. It is the very first wristwatch in the history of horology that unites a | fusée-and-chain transmission, a tourbillon, and a | rattrapante chronograph mechanism. Its movement reflects the ultimate degree of precision watchmaking ingenuity. The edition is limited to 101 watches.



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