Breitling chronomat hi-res stock photography and images - Alamy
In 1942, Breitling created the Chronomat, the first timepiece with a circular slide rule. Based on a patent filed in 1940,… | Breitling, Vintage watches, Slide rule
1945 Breitling Chronomat 769: What the deal with this aftermarket dial? | WatchUSeek Watch Forums