How to distinguish a true Rolex from a forgery. Out of the 10 tips, number 7 is probably the most well-known:
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Hand Movement – The second hand on a genuine Rolex watch features a smooth and continuous movement that often cannot be duplicated by fake watches. Their movements are often in small, jerky increments.
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It's funny because Rolex is like Armani or Mercedes. There are better and more expensive products out there than Rolex, but everyone knows rolex. Not many people would be impressed by a Audemars Piguet which may cost $30k, but they see a $5k Rolex and say "wow is that a real rolex!"