Vacheron Constantin

Franco Cologni is chairman of the Cultural Council of the Fondation de la Haute Horlogerie. He has contributed to numerous works on jewelry and the history of the clock industry with Flammarion including The Mastery of Time (2012), The Cartier Collection: Precious Objects (2012), The Cartier Collection: Timepieces (2006), Cartier: The Tank Watch: Timeless Style (2012), Writing Time: Montblanc (2011), Cartier: The Tank Watch (1998), Jaeger LeCoultre (2006), The Secrets of Vacheron Constantin: 250 Years of History (2005).