In its unyielding quest for performance and precision, Vacheron Constantin regularly unveils new movements and new timepieces with coveted functions. Today, the brand releases the all-new Traditionnelle Chrono Perpetual Calendar watch, with new in-house-made 1142 QP caliber. The watch holds the Hallmark of Geneva certification. Retailing for $150,000, the 43mm platinum watch deftly blends the…