The Rolex Oyster Perpetual Submariner is a line of sports watches designed for diving and manufactured by Rolex, and are known for their resistance to water and corrosion. The first Submariner was introduced to the public in 1954 at the Basel Watch Fair. It was the first watch to be waterproof up to 100m.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 huge 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.
Today, the Submariner and Submariner Date models are equipped with Rolex Calibres 3230 and 3235, respectively, and feature luminescent hour markers, a unidirectional rotatable bezel with Cerachrom ceramic insert, and a solid-link Oyster bracelet. They are water resistant up to 300 metres (1000 ft).