Rolex Submariner series was born in 1953, and it is the world's first waterproof wrist watch as deep as 100 meters, then added the patented three buckle lock crown, to strengthen the case sealing, and increase the waterproof deepness to 300 meters. Rolex released a blue watch- official model of 116619 lb. The wrist watch is used the 18 k platinum watch case and the watch chain,  and adopts the design of the diameter of 40 mm, together with the special blue disk. Chromalight display on the surface of watch can ensure that the wearer can clearly read the time in the darkness of the environment.

In 1956, the Rolex launched the Rolex Day-Date, equipped with a day – and a date function. It is the first watch in the world that has the calendar windows on the watch surface and can also display the full week, which is a great technique achievement at that time. From 1956, influential men and women across the world, began the “tradition” of wearing a Rolex Day-Date. Rolex launched a colorful new lineup of Day-Date watches in five different color variations at Baselworld 2013. Among them is a model featuring a blue dial with sunray finish and a matching blue alligator strap. The blue-dial version of the new Day-Date comes in an 18k white gold case, 36 mm in diameter.

The replica Breitling SuperOcean is a high end diver's watch, which is very outstanding series by Breitling, created in 1957. It is highly watertight with a diver's bezel, and is powered by an automatic movement. The main principles of the Breitling SuperOcean are easy legibility and high level functionality.  Breitling released a blue watch inspired by the summer, the Breitling Superocean 42, a divers’ watch water-resistant to a depth of 5,000 feet. The watch, a limited edition of 2,000 pieces, features a bezel covered in blue rubber in addition to its blue dial and blue rubber strap.