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
DJ41] Image of rolex laser etched crown in crystal : r/rolex
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
Top 9 Things You Didn't Know About Rolex | Crown & Caliber | Crown & Caliber Blog
Laser-Etched Crystal, real or fake? - Rolex Forums - Rolex Watch Forum