Breitling Navitimer 806

A Breitling Genève Navitimer stainless steel circular cased gentleman's chronograph wristwatch, Ref. 806, circa 1968, with signed and jewelled Venus 178 caliber movement, the signed black dial with luminous baton hour markers, luminous hands and three subsidiary dials, the case with rotating scale bezel, the signed case back interior numbered '1067142', the signed case back numbered '806', case diameter 4.1cm, on a steel bracelet with foldover clasp, with international guarantee certificate, numbered '806' and dated '22/6/1968'.