Longines 13ZN monopusher chronograph 1937 featured in Goldberger book!
All For One: Reviewing Monopusher Bicompax Chronographs from Hanhart, Longines, & Montblanc | WatchTime - USA's No.1 Watch Magazine
Longines Monopusher Chronograph – Analog:Shift
WatchTime - Ready. Set. GO! The LONGINES Heritage Aviation offers tremendous value for a monopusher chronograph under $3k. | Facebook
Longines arguably produced the first chronograph wristwatch in 1913. A single pushpiece (monopusher), 29… | Luxury watches for men, Watches for men, Vintage watches