The Vacheron Constantin La Musique du Temps Les Cabinotiers Grand Complication Split-Seconds Chronograph ‘Tempo.’ Case, 18k 5N pink gold, 50mm x 21mm; dial, sunray slate opaline with guilloché inner ring. Movement, Vacheron Constantin caliber 2756, 33.3 mm (14 3⁄4’’’) diameter, 16.35 mm thick. Movement power reserve: approximately 65 hours, running at 2.5 Hz (18,800 vph) in 40 jewels. 1,163 components, with Geneva Seal. Minute repeater, perpetual calendar, rattrapante chronograph, running equation of time with mean civil time and local solar time. Sunrise/sunset, length of day and night indications; indication for the age and phase of the Moon (retrograde). Unique piece, from Vacheron Constantin’s Les Cabinotiers studio. Find out more at