Rolex innovations
In 1926,the first waterproof wristwatch “Oyster" is made; In 1931, the first automatic Rolex wristwatch is made and nicknamed the “bubble back” due to its large case back; In 1945, the first wristwatch with an automatically changing date on the dial (Rolex Datejust ref.4467) is made; In 1953, the first wristwatch case waterproof to 100 m (330 ft) (Rolex Oyster Perpetual Submariner ref.6204) is made; In 1954, the first wristwatch to show two time zones at once (Rolex GMT Master ref.6542) is made; In 1956, the first wristwatch with an automatically changing day and date on the dial (Rolex Day-Date) is made; Rolex was the first watchmaker to earn chronometer certification for a wristwatch; What’s more, Rolex uses the best steel grade alloy on the market – the 904L stainless steel alloy, which is used in the high tech industry, in chemical industries, and in the aerospace industry.
Rolex is well known for its dive watches
In 1953, Rolex invented one of the first and earliest divers watches in the world, called the Rolex Submariner, which was water resistant down to 100 meters. Today, Rolex Submariner is water resistant down to 300 meters; In 1967, the watch manufacturer launched the famous Rolex Oyster Perpetual Sea-Dweller which is the ultimate divers watch collection. In 1978, the watch producer launched the Rolex Sea-Dweller 4000 which is water resistant to 1,220 meters/4000 feet. In 2008, Rolex released the world renowned Rolex Deep Sea, which is a divers watch for extreme underwater activities. In 2012, Rolex launched an experimental divers watch called Rolex Deep Sea Challenge which is water resistant to 12,000 meters/39,370 feet. The original Rolex Sea-Dweller was water resistant to 610 meters. Today, there are two versions of the replica Rolex Sea-Dweller. The smaller version is water resistant to 1,220 meters/4000 feet, while the larger version is water resistant to 3,900 meters/12,800 feet.