Longines Boya strap width is 19mm. Longines Boya strap is 200mm long and19mm wide. Longines was founded in 1832 in Sofia, Switzerland, with a history and technology of over 180 years. The first Longines Watch Factory was established in 1867, and Longines was established in 1880 in May. Longines made the second navigation watch in 1938, launched a series of innovative publicity activities in 1953, produced the world's first quartz watch in 1969, and launched Agassi Agassiz's slim gold watch series in 1982 to commemorate Longines 1982.