BREITLING (Old Navitimer Chronograph - Gold & Steel ref. 81610), circa 1990 Large aperture Navitimer pilot's chronograph, steel case and screw back? severe? of a rule a? calculation (signed and numbered). Yellow gold-plated multi-function unidirectional notched bezel. Specific mineral glass. Black dial says Panda has? three silver counters, date window a? 3 o'clock, tritium indexes and luminescent skeleton hands. Functions: hours totalizer a? 6 o'clock, small seconds a? 9am, minutes to? 12 o'clock, large second hand, second arrow. Three straps, one in cream leather and one strap in crocodile (Crocodylia spp. CITES appendix II B) attached to a Breitling pin buckle and a N.A.T.O. large attached second hand Movement: Mechanical automatic winding caliber 13 / Valjoux 7750 Swiss base. (Revised in 2020) Diam. 42mm. Condition: Very beautiful (used Breitling box from the period and a new box). (Gross weight: 80.4g)