Breitling Cosmonaute Switzerland, around 1968, Ref. 0819, oversized chronograph Breitling Navitimer Cosmonaute, stainless steel, screw back, manual winding caliber 178, 24-hour chronograph with 30-minute counter and 12-hour counter, rotating slide rule bezel, original dial in good condition, Black rotating bezel, signs of wear, functional, on a later black leather strap, without papers, with box, D 49 mm.
