1. Patek Philippe is a brand founded in 1839 by Norbert Antoine de Patek and Francois Czapek. It is a famous Swiss watch brand, ranking first among the top ten famous watches in the world. It is one of the last truly independent watchmakers in Switzerland, producing its own watches from start to finish. 2. Longines was founded in Soimia, Switzerland in 1832. With a history of more than 180 years, it has rich experience in the field of sports timing. In December 2018, the World Brand Laboratory released the list of the top 500 world brands in 2018, with Longines ranked 324th. 3. Rolex is a famous Swiss watch manufacturer. Its predecessor was Wilsdorf and Davis, which was jointly run by the German Hans Wilsdorf and the British Davis in London in 1905. (W&D) Company. In 1908, Hans Westover registered it in Lachafen, Switzerland and changed its name to Rolex. Jaeger-LeCoultre is a high-end watch manufacturer located in LeSentier, Switzerland. Founded in Vallée de Joux, Switzerland in 1833, it has become an important watch brand in the history of watchmaking. Jaeger-LeCoultre has been a subsidiary of Swiss luxury goods group Richemont since 2000. Tissot was founded in Liloc, a small town in the Jura Mountains of Switzerland, and its headquarters is still there today. On August 31, 2018, as the official timer partner of the FIBA ??Basketball World Cup, the famous Swiss watch brand Tissot Watch joined hands with the International Basketball Federation (FIBA) and the Beijing Division Organizing Committee to jointly host the 2019 FIBA ??Basketball World Cup in Beijing. Launching ceremony of the first anniversary countdown to the United Basketball World Cup.