A new, white-gold, black-dialed version of the Richard Lange Jumping Seconds and the first date-equipped model in the Zeitwerk collection will be among the new watches that Germany’s most prestigious luxury watchmaker, A. Lange & Söhne, will bring to the upcoming WatchTime Los Angeles event on May 3-4. Here is a closer look at both.
The Richard Lange Jumping Seconds combines two complementary mechanisms: a one-second constant force escapement and an integrated jumping seconds function that displays the precise time in crisp, one-second intervals. Designed for optimal legibility as well as topnotch timekeeping precision, the watch features a large central seconds hand that advances in exactly 60 steps per minute. A zero-reset mechanism, equipped with a multi-disk clutch, ensures quick and easy synchronization. The wearer simply pulls out the crown to send this seconds hand immediately to the zero position. A. Lange & Söhne Richard Lange Jumping Seconds in white gold
This mechanism, exceedingly rare in modern mechanical wristwatches, has its roots in classical horology: pocketwatches equipped with this function were used to determine measurements such as sidereal (solar) time and geographical longitude. Brand namesake Ferdinand Adolphe Lange developed an early version of this type of movement in 1867 and received a patent for it 10 years later. The black, regulator-style dial is made of solid silver, with overlapping subdials for hours and minutes shifted to t...