Reference 806 Navitimer | A stainless steel chronograph wristwatch, Circa 1962 Reference 806 Navitimer A stainless steel chronograph wristwatch, Circa 1962 Dial: black Caliber: cal. 178 mechanical, 17 jewels Case: stainless steel, snap-on case back Case number : 924’381 Size: 40 mm diameter Signed: case, dial and movement Box: yes Papers: yes Accessories: Breitling presentation box, Certificate booklet dated February 16th, 1962, and Breitling rubber strap with buckle