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. there are very few people who know about the Rolex Oyster watch internal deeply; Only with special technology and equipment of Rolex franchised retailers can achieve this approach. Today we are to appreciate a Rolex Submariner wrist watch with blue dial: official model of 116619 lb.

Oyster perpetual Submariner watch is representative of strong and durable watches. Unique surface on the new oyster watch case has the luminous hour marks, incremental rotary Cerachrom outer bezel and solid link oyster type strap. New generation Submariner and Submariner calendar watches are almost the same with the original version that was launched in 1953. No matter in the bottom of the sea or to attend the dinner, Submariner watches are the model of durable, reliable and comfortable sport chronographs. 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, and at the same brightness environment, the blue light can continue to shine up to eight hours, which is twice times when compared with general fluorescent material.

Three buckle lock chain crown is the triple waterproofing system specially designed for diving watches. Developed by Rolex, three clasp lock chain crown used for rolex blue dial and other professional watches models can be waterproof as deep as 300 meters, and when used for Rolex Deepsea it can waterproof as deep as 3900 meters.