How to spot a fake Rolex? We give you some tips – MR STATELESS
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
Authenticity – oysterinfo
Rolex Original Sapphire Crystal B25-295-C Submariner Date 16800, 16610, GMT 16700, 16710, Datejust 16200, DayDate 18038
Logo on rolex crystal. | Omega Forums
Oddly filled laser-etched crown logo on crystal of 41mm Submariner Date magnified under microscope (vs. what it's supposed to look like) : r/rolex
Horological Meandering - The Hard to Find Logo That Can Help Check the Authenticity of Your Rolex Watch Crystal