No.33, Dusi Viaduct Road, Nanming District, Guiyang City. According to relevant public information, Guiyang Longines Watch Maintenance Center can identify Longines watches. The address is No.33, Dusi Viaduct Road, Nanming District, Guiyang. Business hours are 9:00- 19:00, providing watch identification, watch degaussing, watch cover replacement, watch band replacement, cleaning and maintenance, and time detection. Longines is a watch brand owned by Swatch Group in Switzerland. Longines watches are marked by flying wing hourglass. Longines was founded in 1832 in Sofia, Switzerland, with a history and technology of over 180 years. 1867 the first longines watch factory was established. Longines officially became a registered trademark in Switzerland on May 1880. Longines made the second navigation table in May 1938. Longines carried out a series of innovative publicity activities in May 1953, and made the world's first quartz watch in May 1969.