Vacheron Constantin Patrimony Perpetual Calendar Ultra-Thin Blue Dial

Only available with conservative silver or grey dials till now, the Vacheron Constantin Patrimony Perpetual Calendar Ultra-Thin gets a lively makeover dons a midnight blue shade especially created for the line. Sunburst satin-finished blue dial framed by a 41 mm pink gold case.  

The base remains identical to what we’ve seen in the past, case with a thin, flat bezel, short lugs and a slender profile.  The self-winding manufacture 1120 QP calibre drives the indications of the hours, minutes, moon phase at 6 o’clock and perpetual calendar with the day of the week at 9 o’clock and the months, as well as the leap year, in a sub-dial at 12 o’clock.  The moon-phase display is adorned in champlevé enamel whose colour is only revealed after ultra-precise firing at very high temperature.

Despite being over 50 years old, the calibre is arguably one of the most iconic in watchmaking, having been used in both the original Audemars Piguet Royal Oak and Patek Philippe Nautilus.

Beating at a rate of 2.75 Hz and guaranteeing an autonomy of 40 hours, the Calibre 1120 QP measures a mere 4.05 mm thick, a real feat of engineering for a self-winding perpetual calendar movement.  Visible through the sapphire case back, the movement bears the Poincon de Geneve, or Geneva Seal, and is fitted with a rotor rimmed in 22k gold and skeletonised to form 

Matched to a dark blue of the alligator leather strap equipped with a folding clasp, the Vacheron Constantin Patrimony Perpetual Calendar Ultra-Thin Blue Dial has a price of Euro 79,000/ US$ 78,000. More details at Discover Opulent Club on Apple News.

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