Saturday, July 02, 2005

A. Lange & Sohne Double split Flyback

As the world's first flyback chronograph with a double rattrapante mechanism, the LANGE DOUBLE SPLIT opens up a new dimension in mechanical time measurement. Beyond the ordinary stopwatch functions of a conventional chronograph, it can also handle lap-time measurements, time comparisons, and fastest/slowest lap measurements. Its additional flyback minute counter makes it possible for the first time to use these rattrapante functions in a truly meaningful way, namely for events that last up to 30 minutes - as opposed to conventional rattrapante mechanisms that could only measure times of up to 60 seconds.
The newly developed balance of the LANGE DOUBLE SPLIT beats at a frequency of 21,600 semi-oscillations per hour, allowing measurements to an accuracy of one-sixth of a second. Moreover, error-free readings are assured by the precisely jumping chrono minute counter and the precisely jumping rattrapante minute counter. During an ongoing time measurement, the flyback function will immediately stop and reset the chronograph hands (and, with them, the rattrapante hands if they are still running) with only one press of a button. A new measurement begins instantaneously when the button is released again. This skips the otherwise necessary "stop" and "reset" steps.
The remaining power reserve of the LANGE DOUBLE SPLIT is permanently indicated by the small gold hand at 12 o'clock. The hour and minute hands are made of rhodiumed gold; they are also luminous. The LANGE DOUBLE SPLIT is available in platinum and with a reinforced crocodile strap. A glance through the sapphire crystal caseback reveals the true art of horology in a fascinating cosmos composed of 465 parts - the Lange L001.1 movement.