The Les Cabinotiers Symphonia Grande Sonnerie 1860 byVacheron Constantin demonstrates that the brand is undoubtedly part of the top tier in the so-called watchmaking pyramid. The top tier comprises A. Lange & Söhne, Audemars Piguet, Blancpain, Breguet, Patek Philippe and Vacheron Constantin, and it is defined principally by the price, prestige and complexity of their…