Longines Fly-back chronograph wristwatch dating back to the 1930s with case in 18 karat yellow gold, fixed lugs and a leather strap. In an era of great turmoil, in the mid-thirties we were close to war, especially the American market of new and entrepreneurial ambiance asked for chronographs that only the big brands were able to offer but at high prices, here is why Longines patents this new 13ZN caliber with refined execution, a movement with a precise and lovable ticking that immediately was met with great success thanks also to an affordable price. Today this watch is considered an essential piece for collectors who love the genre, its sturdy case and its refined simplicity combined with its prestigious mechanism makes it a coveted and valuable piece for their personal collection. The simple dial with two small counters, the burnished stick hands with the central chrono seconds, the solid gold case are all still in perfect condition.