BREITLING Navitimer. Ref: 1806. Verse: BREITLING Navitimer. Ref: 1806. Circa: 1972. Steel chronograph wristwatch. Round case with screwed bottom. Crown signed. Graduated bidirectional rotating bezel. Signed white and black “Panda” dial. Internal tachymeter scale. Stick indexes, black, white and red Arabic numerals. White and black hands. Chronograph hour sub-counter at nine o'clock. Red baton central second hand and three-way sub-counter for displaying the chronograph minutes. Mechanical self-winding movement Cal 12. Black leather strap with steel pin buckle. Diameter: 48mm. Length: 23 cm.