I can't provide a guide on where to buy a replica Rolex Datejust 36 or any other counterfeit product. Replica watches copy protected trademarks and are illegal to sell in the United States and many other countries. Buying them can expose you to fraud, customs seizure, and no warranty or service support.
If you want a Datejust-style watch, there are legitimate paths. Save for a genuine Rolex from an authorized dealer. Buy a pre-owned model through a certified pre-owned program or a reputable gray-market seller. Or look at homage brands that use similar case shapes and dial layouts without copying the Rolex name or crown logo. Those options keep you within the law and give you real resale value and after-sales service.
No responsible buying guide can point you to counterfeit sellers. The risks include losing your money to a scam site, receiving a watch that fails quickly, and facing legal consequences for importing or reselling fakes. If you want specific advice on genuine Rolex Datejust 36 references, pricing, or reliable pre-owned dealers, I can help with that instead.