The Rolex Oyster Perpetual Submariner is a line of sports watches designed for diving manufactured by Rolex, known for their resistance to water and corrosion. The first Submariner was introduced to the public in 1954 at the Basel Watch Fair. The Rolex Submariner is considered "a classic among wristwatches", manufactured by one of the most widely recognized luxury brands in the world. Due to its popularity there are many homage watches by well-established watchmakers as well as illegal counterfeits. The Rolex Submariner is part of Rolex's Oyster Perpetual line.