Rolex, Vacheron Constantin, found out according to the query on igou.com.
1. Rolex: A well-known Swiss brand. Rolex is a world-famous high-end watch brand. It was founded in the early 20th century. Its founder, Hans Wilsdorf, registered the Rolex trademark in London in 1905. .
2. Vacheron Constantin: Founded in Geneva, Switzerland in 1755. In December 2018, the World Brand Laboratory released the "Top 500 World Brands 2018" list, with Vacheron Constantin ranking 356th.