True GMT and travel GMT: what really changes
Not all GMT watches work the same way. A LuxuryInStock guide to understand true/flyer GMT versus caller GMT, with available models and images from the product pages.
Vacheron Constantin Twin Beat: 70 days of power reserve and a dual mechanical soul
The Vacheron Constantin Traditionnelle Twin Beat Perpetual Calendar returns with 70 days of power reserve in Standby mode.