Breitling COSMONAUT 809

Breitling Cosmonaute Navitimer Chronograph

Wristwatch with 24-hour display, calculator and stopwatch function, Ref. 809, circa 1970 Case: stainless steel, number 1073748, rotating bezel with slide rule function, diameter approx. 41 mm Movement: Hand-wound, anchor escapement, calibre Venus 178, stopwatch function via column wheel, 17 jewels Dial: black, Arabic numerals, 24-hour display, silver-coloured subdials for 30-minute and 12-hour counters, small seconds Accessories: Metal pin buckle, service case The Cosmonaute by Breitling is considered the epitome of pilot's watches.