Buying a watch involves selecting from a range of collections that emphasize different features, from sporty versatility to high-art craftsmanship. As the world's oldest watch manufacturer in continuous operation since 1755, the brand is a member of the "Holy Trinity" of watchmaking alongside Patek Philippe and Audemars Piguet. Key Features by Iconic Collection Go to product viewer dialog for this item. Vacheron Constantin CPO Fifty Six Stainless Steel