Journal / Franck Muller Grand Central Tourbillon Flash CX36 franck muller Sports Franck Muller Grand Central Tourbillon Flash CX36 Share Link copied! Related Complications franck muller 5 Reasons Franck Muller’s Tourbillons Vary in Shape, Size, and Orientation franck muller Sports Franck Muller Grand Central Tourbillon Flash CX36 Complications Multi Brand Discovering Watch Complications: Part 1 How do you reinvent a mechanism from the early 19th century and make it cool for a new generation of watch lovers? As Franck Muller demonstrates with the new Grand Central Tourbillon Flash CX36: with a spirit of rebellion and plenty of exuberance.