A little over 100 years ago, Rolex was first started and the Kew Observatory in Great Britain granted a “Class A” chronometer certificate to a wristwatch for the first time. The evolution of the Rolex “Oyster” resulted from it, and this article has photos of that timeline with models from 1926 through 2014. The milestone would forever change the destiny of the modern watch forever. See the original statements and models in this informative and impressive article!
Read the full story here :: Watch Insider: Discover 100 Years of Rolex Chronometers and Rolex Oyster Watches