Breitling, Ref. B13019 Steel And Yellow Gold Navitimer, circa 1990's Case: 41 mm, stainless steel and gold, Three-body, polished, screwed-down case back with embossed logo and engraved temperature conversion scale from Celsius to Fahrenheit, bidirectional revolving reeded and graduated gold bezel, lapidated lug Dial: black and silver, luminous indexes, guilloche subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer 1/5th seconds scale, tachometer and telemeter graduation, luminous baton hands Movement: Cal. 7750, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, micrometer regulator Band: leather with steel folding clasp Signed: Breitling on the case, dial, movement and clasp This timepiece is accompanied by a Breitling box HID03101062020 © 2020 Heritage Auctions | All Rights Reserved