Rare Longines 13ZN Chronograph SST Watch C. 1940

Rare Longines 13ZN chronograph wrist watch, Arabic numerals, stainless steel case, two subsidiary dials stopwatch second and minute counter, two button (start/stop and reset), marked on reverse of cover: "Modele Depose / Longines / Inoxydable / Staybrite / 2688 / 13," serial number marked on movement: "618332 / Longines / 13ZN," circa 1940. 40mm diameter.
Condition Report: Notice to bidders: Condition reports and additional photographs are available by request. The absence of a condition report does not imply that the lot is in perfect condition.