Bell & Ross Vintage WW1 Chronographe Monopoussoir Written byWatchTimeAugust 9, 2012 Bell & Ross’s Vintage WW1 Chronographe Monopoussoir is now available at Bell & Ross retailers. Like the WW2 Régulateur Heritage, the WW1 Chronographe Monopoussoir draws on military and aviation history for its inspiration. This watch reinterprets the look of chronographs used by aviators in the 1920s, which originally only had one button. The single button is used to stop, start, and reset the chronograph. The Vintage WW1 Chronographe Monopoussoir comes in two styles: Heritage, featuring a brown dial with sand-clored hands and calf skin strap, and an Ivory dial version featuring blue-steel hands and a blue alligator strap. The Heritage version is available for $7,600 and the Ivory dial version is available for $8,000. WW1 Chronographe Monopoussoir Heritage WW1 Chronographe Monopoussoir Ivory dial Receive all the news, features and reviews from WatchTime for free! Sign up to our free weekly newsletter and get all the news delivered to your inbox.