Add Yahoo as a preferred source to see more of our stories on Google. The Roger Dubuis Excalibur Dragon Monotourbillon. A chef once joked to me that the secret ingredient to a fillet mignon was an ...

In the late 19th century, Abraham-Louis Breguet — Swiss-French watchmaker to European royalty and perhaps the greatest horologist of all time — began work on what would become one of his signature ...