Vintage Watches Collection : A l1950 Breitling Chronomat ref. 769. In 1940 Breitling patented for the first time its Smart Watch chronograph. The Breitling Chronomat 769 was designed as a chronograph for mathematicians, with a rotating logarithmic slide rule. A tool for Mathematician

Vintage Watches Collection :

Illustration

Description

A l1950 Breitling Chronomat ref. 769. In 1940 Breitling patented for the first time its Smart Watch chronograph. The Breitling Chronomat 769 was designed as a chronograph for mathematicians, with a rotating logarithmic slide rule. A tool for Mathematician