BREITLING REF. 1806, NAVITIMER.Breitling Genève, Navitimer Chrono-Matic, Ref. 1806. No. 1256709..Made in the 1970's..Fine and large, self-winding, water-resistant, stainless steel.wristwatch with round button chronograph, registers, telemeter.slide rule a
Three-body, polished, nudged black bezel, screwed-down case.back, lapidated lugs..Bicolor black and silver with painted luminous baton and.Arabic numeral idexes, subsidiary 30-minute and 12-hour register.dials, outer graduation for the minutes, the telemeter and the slide.rule, aperture for the date. Luminous baton hands..Cal. 11, rhodium-plated, 17 jewels, straightline lever escapement.monometallic balance, steel flat balance spring, micro-rotor..Dial, case and movement signed.