The "King of Watches" refers to the Swiss brand Breguet. The Breguet brand was founded in 1775 and has a history of 240 years. Since the 18th century, the Breguet brand has been committed to providing works and services to members of the royal family and outstanding figures in various fields. Breguet is known as the "King of Watches" in the industry, and is also known as the "Father of Modern Watchmaking". The Breguet brand's product line covers all types of mid-to-high-end watches, and has three unique complex functions in the industry: tourbillon, perpetual calendar, and minute repeater gongs.