Breitling Navitimer
The Breitling Navitimer is a watch that was released in 1954 in Switzerland by Breitling SA. Since then it has been one of the best selling watches produced by Breitling. == History == In 1941, Breitling patented an innovative circular slide-rule chronograph, easily handling tachymeter, telemeter, pulsometer, and various mathematical operations.