Longines Boya series strap width 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 in1867; Longines Watch officially became a registered trademark in Switzerland on May 1880. Longines made the second navigation table at 1938; Longines launched a series of innovative publicity activities on 1953; 1969 produced the world's first quartz watch; 1982, Longines launched Agassiz ultra-thin gold watch series to commemorate Longines150th anniversary.