Breitling, Navitmer, ref. 806, a stainless steel wrist watch, no. 1343879, circa 1970, manual wind chronograph, 17 jewels, cal. Venus 178 TJ, black dial, luminous baton markers and Arabic 12, white luminous pointed baton hands, white centre chronograph hand, subsidiary dials for constant seconds, 30 minute and 12 hour recording, rotating bezel with slide rule, snap case back, on a Breitling brown leather strap with stainless steel pin buckle, case back, dial, movement, crown and buckle signed, diameter 41mm