This timepiece is entirely devoted to the measure of astronomical time. Its main element - and its most striking feature - is the flying tourbillon which serves as an hour hand, and unlike other wristwatches, indicates sidereal time - the unit used by astronomers to follow the trajectory of celestial bodies - rather than mean time.
A high-performance calibre, Jaeger-LeCoultre Calibre 780
A new level of pure and clear sound, Master Grande Tradition Grande Complication
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Complications get novel treatment, Master Grande Tradition Grande Complication
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