The new sound of the time - the first Lange watch with a decimal minute repetition
In the exclusive class of wristwatches with percussions, the ZEITWERK MINUTENREPETITION is a technical sensation: in a clear design, it connects for the first time a mechanical jumping number display with a decimal minute repetition.
Designed to the last detail
Countless work and tuning steps were needed to ensure the smooth interaction and lasting functional safety of all 771-piece movement mechanisms. In order to exclude any possible operating errors, the designers met a technical safety precaution. Since the setting of the clock would lead to mechanical conflicts when the striking mechanism is triggered, the crown can not be pulled while the striking mechanism is running. When the striking mechanism is activated, the wheel train of the elevator is decoupled from the ratchet wheel, which drives the striking mechanism. Due to the decoupling, it is avoided that the wheel train of the elevator together with the crown rotates during repetitive operation, and thus a lot of energy is lost. This also retards the switching of the dials until the repetition process is completed. The maximum striking time at 12.59 hrs is about 20 seconds. This ensures that in any case the acoustic signal corresponds to the displayed time. As the repetition process can always take place completely and the clock is not inadvertently brought to a standstill, the beater can no longer be used for a gear reserve of less than twelve hours trigger. This is indicated by a red mark on the gear reserve display. Since the elevator spring drives the percussion mechanism via the ratchet wheel, the number of triggered repetitions as well as their length have an influence on the available reserve reserve of a maximum of 36 hours. In any case, the acoustic signal corresponds to the displayed time. As the repetition process can always take place completely and the clock is not inadvertently brought to a standstill, the beater can no longer be triggered with a watch's reserve of less than twelve hours. This is indicated by a red marking on the gear reserve display. Since the elevator spring drives the percussion mechanism via the ratchet wheel, the number of triggered repetitions as well as their length has an influence on the available reserve of a maximum of 36 hours. In any case, the acoustic signal corresponds to the displayed time. As the repetition process can always take place completely and the clock is not inadvertently brought to a standstill, the beater can no longer be triggered with a watch's reserve of less than twelve hours. This is indicated by a red marking on the gear reserve display. Since the elevator spring drives the percussion mechanism via the ratchet wheel, the number of triggered repetitions as well as their length has an influence on the available reserve of a maximum of 36 hours. This is indicated by a red mark on the gear reserve display. Since the winding spring drives the impact mechanism via the ratchet wheel, the number of triggered repetitions and their length have an effect on the available reserve of 36 hours. This is indicated by a red mark on the gear reserve display. Since the winding spring drives the impact mechanism via the ratchet wheel, the number of triggered repetitions and their length have an effect on the available reserve of 36 hours.
The modern face of a great tradition
The ZEITWERK MINUTENREPETITION stands for uncompromising creative clarity with its easy-to-read jump-rate display. The patented after-tensioning system ensures a constant driving force over the entire operating time. As a pulse generator for the switching process, it reliably controls the numerical display from minute to minute.
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