Theory: Rolex Serial Number encoded in crystal Laser Etched Crown (LEC) | Replica Watch Info
The 5 Best Tips for Authenticating a Rolex or other Swiss Watch - Everest Horology Products
Horological Meandering - The Hard to Find Logo That Can Help Check the Authenticity of Your Rolex Watch Crystal
Did you know that around 2002 Rolex started laser engraving a crown in all the sapphire glasses? Every dot is in a different depth in the sapphire. : r/rolex
Today I learned that Rolexes have a crown etched into the crystal. Very faint, and not noticed without a bright light - I've only had it 2 years... : r/rolex
Upload Your Own Laser Etched Crown - Page 6 - Rolex Forums - Rolex Watch Forum
Laser Etched Crown on BLNR - Rolex Forums - Rolex Watch Forum
Laser Rolex Crown | Replica Watch Info
micro etched crown on 2015-16 sd4k - Rolex Forums - Rolex Watch Forum
Bob's Watches - What year did Rolex begin micro-etching a tiny crown logo at the 6 o'clock position on the crystal that protects the dial? — More details on BobsWatches.com | Facebook
116520 Daytona etched crown off center - Rolex Forums - Rolex Watch Forum
What is the best way to see the laser engraved crown on the crystal | WatchUSeek Watch Forums