A look at watches with a variety of horological complications and functions above and beyond telling time.

Vacheron Constantin Enhances The Traditionelle Twin Beat Perpetual Calendar

Vacheron Constantin Traditionnelle Twin Beat Perpetual Calendar

Functional innovation brings greater practicality to one of watchmaking’s intriguing perpetual calendars. Sometimes, when a venerable brand like Vacheron Constantin spends years developing an exceptionally complicated timepiece, the innovations born…

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