Introducing: The Vacheron Constantin Traditionnelle Twin Beat Perpetual Calendar (Live Pics, Details, & Pricing) With dual oscillators and a 65-day standby power reserve, it keeps going, and going, and going … Continue reading ‘Introducing: The Vacheron Constantin Traditionnelle Twin Beat Perpetual Calendar (Live Pics, Details, & Pricing)’ 0 Posted In: Uncategorized