<ul><li>Vacheron Constantin unveils Les Cabinotiers Solaria Ultra Grand Complication, the most complicated wristwatch ever made.</li><li>The timepiece features 1,521 handcrafted components and is developed as a miniaturized observatory.</li><li>It integrates three modes of timekeeping: standard civil time, true solar time, and sidereal time.</li><li>The watch also includes 41 complications, 5 rare astronomical functions, and a Westminster minute-repeater.</li></ul>

vacheron constantin’s ‘most complicated wristwatch ever’ tracks standard and solar time

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