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Batman is a collector nickname for the blue-and-black bezel Rolex GMT-Master II, not the reference printed on an invoice. Before comparing prices, establish whether you are considering the earlier 116710BLNR or the later 126710BLNR.

The original Sky Blue and later 42 mm release are different generations. Here is how to identify the watch and compare it sensibly.

How the RM 53-02 combines a sapphire case and cable suspension, plus the questions a specialist purchase deserves.

The miner’s Submariner 5512 auction, explained through dial originality, provenance and the limits of comparing a rare result with ordinary watches.

A practical risk-reduction guide that explains why appearance, documents and popular online tests cannot prove Rolex authenticity alone.