Found an inherited Rolex in a drawer, or picked one up locally and wondering...

https://smoothdecorator.com/what-should-i-bring-if-i-have-no-box-or-papers-for-my-rolex/

Found an inherited Rolex in a drawer, or picked one up locally and wondering what’s real? A tiny crown at six o’clock can help date some models, but it’s only one clue—not proof of authenticity