Longines L3.316.4.87.6 Elegant Quartz Ladies Metal Belt WatchBrand History In 1832, Auguste Agassiz, the brother of naturalist Louis Agassiz, delved into the world of watchmaking at a watch sales company in Saint Imier, Switzerland, under the name "Agassiz & Co." He successfully expanded the sales network of watches made through domestic industry at the time to America and beyond. In the mid 1850s, Ernest Francillon, Agassiz's nephew, took over the business. Francillon consolidated the manufacturing processes