Compagnie des Montres Longines Francillon S.A., or simply Longines, is a Swiss deluxe watchmaker based in Saint-Imier, Switzerland. Established by Auguste Agassiz in 1832, the business has been a subsidiary of the Swiss Example Team since 1983. Its winged shapely logo, which was registered in 1889, is the oldest unmodified yet still active registered hallmark.