Two years of development were necessary to succeed in embodying this caliber of exception. Reworked in the Vallée de Joux with immense precision, the 4130 Caliber of Juan Pablo Montoya’s timepiece has been dismounted piece by piece, cut, angled, and finished by hand. It took hundreds of hours to achieve this true work of art, which highlights the greatness and beauty of the unique Swiss know-how. As a final touch, we have replaced the original back of with a transparent sapphire case back, one of our trademarks. It reveals all the beauty of the movement magnified by the angling of all its elements.