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, which was registered in 1889, is the oldest unchanged yet still active registered trademark.
