Compagnie des Montres Longines, Francillon S.A., or simply Longines, is a Swiss luxury watchmaker based in Saint-Imier, Switzerland. Founded by Auguste Agassiz in 1832, the company has been a subsidiary of the Swiss Swatch Group and its predecessors since 1983. Its winged hourglass logo, registered in 1889, is the oldest unchanged active trademark registered with WIPO.
Factory in Saint-Imier
Longines Serial Number 183 "Attesa" date 1867. On 6 November 2018, Longines announced discovery of serial number 183, dated 23 October 1867, currently the Oldest Longines watch known. Its caliber is an August Agassiz 4 (AA4).
Longines Weems ref 3931 c.1937 US Naval Academy Annapolis Dial
Longines Seconds Setting Watch. Sidereal Time ref 4356
Saint-Imier is a municipality in the Jura bernois administrative district in the canton of Bern in Switzerland. It is located in the French-speaking Bernese Jura.
Saint-Imier
View of Saint-Imier from the ruins of the Erguel Castle
The historic old town of Saint-Imier
Collégiale of Saint-Imier