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Rolex Original Sapphire Crystal B25-295-C Submariner Date 16800, 16610, GMT 16700, 16710, Datejust 16200, DayDate 18038
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
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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
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30.4mm Sapphire Crystal Parts For Rolex Day-date Watch Glass With Laser Mark Logo Replacement Parts - Repair Tools & Kits - AliExpress
![Horological Meandering - The Hard to Find Logo That Can Help Check the Authenticity of Your Rolex Watch Crystal Horological Meandering - The Hard to Find Logo That Can Help Check the Authenticity of Your Rolex Watch Crystal](https://storage.googleapis.com/pubzapuscentral/watchprosite/home/440/raw/home_5504386.jpg)