A Sneak Peek at A. Lange & Söhne’s New Precision Moon Phase

A. Lange & Söhne has unveiled its Grand Lange 1 Moon Phase watch. The timepiece requires an adjustment of only one day every 122.6 years—rather than every 2.5 years as with most moon-phase watches on the market—thanks to a more precise seven-gear transmission. According to the watch manufacturer, based in Glashütte, Switzerland, it works by linking the moon display to the hour-wheel continuum, where it tracks the actual orbit of the moon in increments too slight to see with the naked eye. Additionally, the…

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