Vacheron Constantin Traditionnelle Perpetual Calendar Ultra-Thin 36.5mm White Gold Silver Dial 4305T/000G-H135

The Vacheron Constantin Traditionnelle Perpetual Calendar Ultra-Thin reference 4305T/000G-H135 represents the apex of Genevan watchmaking tradition: a perpetual calendar complication housed in an elegantly slender white gold case measuring 36.5mm, dressed entirely for the most distinguished occasions. Vacheron Constantin, founded in 1755 and the world's oldest watch manufacture in continuous operation, has long anchored the Traditionnelle collection as its purest expression of classical haute horlogerie—a line that prizes symmetry, legibility, and mechanical poetry above all else.

The perpetual calendar is among watchmaking's most intellectually demanding complications, programming the mechanism to account for months of differing lengths, including the leap-year cycle, without manual correction until the year 2100. On the 4305T/000G-H135, this information is displayed across the dial with the clarity and balance that define the Traditionnelle aesthetic: retrograde or subdial indications arranged with architectural precision, each framed by applied diamond pavé indices that catch light with every movement of the wrist.

The 36.5mm white gold case is refined and wearable without sacrificing presence. White gold lends a cool, luminous quality that elevates the diamond-set bezel, whose stones encircle the dial in an unbroken arc of brilliance. The combination of the gem-set bezel and pavé indices creates a cohesive jewellery-watch sensibility while the underlying perpetual calendar ensures this is first and foremost a serious timepiece. A fine leather strap completes the composition, keeping the profile close to the wrist and underscoring the ultra-thin character of the case.

Powering the 4305T/000G-H135 is a mechanical automatic movement developed in-house at the Vacheron Constantin manufacture in Geneva, built to the exacting standards of the Hallmark of Geneva—a quality certification the manufacture has upheld for decades. The perpetual calendar module is integrated with the movement rather than simply added on top, contributing to the ultra-thin silhouette that makes this reference so distinctive among perpetual calendar watches at any price.

For collectors and connoisseurs considering a perpetual calendar watch for sale in white gold, the Traditionnelle 4305T/000G-H135 offers a singular proposition: the intellectual depth of a grand complication, the enduring prestige of the world's oldest manufacture, and the visual luxury of diamond setting, all in a case size that wears gracefully on a wide range of wrists. This is a watch that appreciates in meaning with every passing year—and with every year it accurately tracks without needing adjustment.

Bizak & Co. is pleased to offer this reference brand new, complete with box and papers, at the best available price. Whether you are buying online or wish to speak with one of our specialists, our team is ready to guide you through your acquisition of this remarkable Vacheron Constantin. Reach out today to confirm availability and secure reference 4305T/000G-H135 for your collection.