Vacheron Constantin Traditionnelle Twin Beat Perpetual Calendar
Vacheron Constantin's Traditionnelle Twin Beat Perpetual Calendar, is a first-of-its-kind timepiece that can adapt to its wearer’s needs.
Vacheron Constantin’s Traditionnelle Twin Beat Perpetual Calendar, is a first-of-its-kind timepiece that can adapt to its wearer’s needs.
When worn, the Traditionnelle Twin Beat Perpetual Calendar beats at a high frequency that is aligned with modern active lifestyles, displaying the hours, minutes, date, month, leap year cycle and power reserve on its dial. When the watch is not being worn, its in-house developed calibre 3610 can be slowed down in order to maintain its timekeeping abilities over an extended power reserve of at least 65 days.
Drawing on 264 years of horological expertise, Vacheron Constantin has achieved this innovative coup by giving the Traditionnelle Twin Beat Perpetual Calendar two balances, each operating at a different frequency that has never been used before by the Maison. A pusher at the 8 o’clock position allows the wearer to easily switch from one frequency to another, depending on activity level. When the watch is on the wrist, the wearer will get the most out of it by keeping it in Active mode, which features a 5Hz (36,000vph) balance and 4 days of power reserve.
If the watch is to be taken off and left unworn for some time, it can be switched to Standby mode, which runs on a second balance with a drastically reduced frequency of 1.2Hz (8,640vph). This allows the maximum power reserve to be extended to at least 65 days. At any point during the Standby mode running time, the Traditionnelle Twin Beat Perpetual Calendar can be switched back to Active mode and reworn, with all its calendar indications perfectly up to date.
The perpetual calendar is commonly considered as the most practical out of all the high complications. A complex mechanism that can correctly display all date information despite variable months and leap years, the perpetual calendar has an everyday relevance and utility. Up until now, however, the relevance and utility of the perpetual calendar have been restricted by the limits of conventional mainspring technology, making it necessary in most cases to set a perpetual calendar watch each time before it is worn.
Now, for the first time in watchmaking history, a hand-wound perpetual calendar can be set flat on a table and picked up more than two months later, still displaying the correct date and month. The Vacheron Constantin Traditionnelle Twin Beat Perpetual Calendar brings true significance to the “perpetual” part of its name and charts a new course of timeless innovation for one of the oldest watchmaking companies in the world.
Made by Design
Despite the pedigree of the classic case design in platinum and the prestige of a high complication, the Traditionnelle Twin Beat Perpetual Calendar deliberately embraces a modern aesthetic take on age-old finishing techniques.
Movement plates and bridges are decorated with Côtes de Genève and then treated with NAC, a dark coating that offers superior resistance and durability compared with other similar-looking treatments.
On the dial, the very 18th-century art of engine turning and frosted finish are transmuted into clean radial guillochage and sand-blasted surfaces. In order to perfectly achieve this union of tradition and modernity, the dial is made in two main segments in a multi-stage process. A gold dial segment is decorated with hand-guillochage, and then fitted within an outer segment of sapphire crystal. Gold hour indexes are then set into the sapphire-crystal dial segment, which is further laser-engraved and ink-filled for a sleek, seamless appearance.
This balance of classic case design, combined with contemporary dial and movement aesthetics, complements the underlying theme of the Traditionnelle Twin Beat Perpetual Calendar — unequalled historical savoir-faire channelled through timeless innovation.
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