Breitling Navitimer Ref. 806 – 1950s Overview Reference : 806 Introduced : 1954 Nickname : “The Pilot’s Tool Watch” Movement : Initially Venus 178 , later Valjoux 7736 (but not in the '50s) Diameter : ~40mm (large for the era) Bezel : Bidirectional slide rule bezel (used for navigation calculations) Crystal : Acrylic Lug width : 22mm Case back : Snap-back stainless steel Movement – Venus 178 Manual-wind column wheel chronograph 17 jewels Highly respected and reliable movement Used from the inception of the 806 until 1973 Historical Significance Developed in collaboration with the Aircraft Owners and Pilots Association (AOPA) Early models featured the AOPA wing logo on the dial — without the "Breitling" text in many cases. The slide rule bezel allowed pilots to calculate fuel consumption, airspeed, distance, and more. Became the definitive pilot’s watch of its time — a true "wrist instrument." Key ...
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