Vacheron Constantin Les Cabinotiers ref 9740C 000R B692 unique piece watches and wonders novelty

W&W 2020: Vacheron Constantin Les Cabinotiers Grand Complication Split-Seconds Chronograph “Tempo”

Vacheron Constantin introduces one of the most complicated wristwatches ever produced by the Maison. This one-of-a-kind double-sided timepiece displays the chronograph hours and measurements on the front, along with a perpetual calendar. The back is dedicated to astronomical functions, including indications of solar time, equation of time, sunrise and sunset, day and night duration, as well…

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