Vintage Rolex Chronometer Certification | Rolex Vintage Information
Rolex history for you to discover: 100 years ago, in 1914, the Kew Observatory in Great Britain granted a “Class A” certificate to a wristwatch for the very first time. – Watch-Insider.com
Discovering 100 Years of Rolex Chronometers and Rolex Oyster Watches | WatchTime - USA's No.1 Watch Magazine