The Audemars Piguet Royal Oak Offshore remains one of the most counterfeited luxury watches. While the octagonal bezel and "Méga Tapisserie" dial are iconic, fakes have become sophisticated. This 2026 checklist focuses on the specific details that replica factories struggle to replicate.

Weight and Feel: The First Tell

Authentic Royal Oak Offshores use grade 316L or 904L stainless steel, giving the 42mm case a substantial heft—typically 130–160 grams depending on the bracelet length. Counterfeits often feel hollow or overly light because they use cheaper alloys. Try a value check comparison with a known authentic piece to calibrate your hand.

Bezel and Screws: Precision Counts

Genuine bezels have eight hexagonal screws that are perfectly flush with the brushed finish. On fakes, the screws often sit proud or are misaligned. The bezel's sharp angles and mirror-polished chamfers should be crisp. Run your fingernail along the edge; any roughness suggests a fake.

Dial Details: The Méga Tapisserie Pattern

AP's signature "Méga Tapisserie" waffle pattern is created by a pantograph engraving machine. Under a loupe, the squares are deep, uniform, and have a slight grain. Cheap fakes use a stamped pattern that looks flat or has rounded edges. The date window should have a silver frame with a magnified cyclops (though some Offshore models lack it—check your specific reference).

Movement and Caseback Signs

Most modern Offshores have a sapphire caseback. Examine the movement: genuine AP calibers have Geneva stripes, perlage, and a engraved 22K gold rotor. Fakes often have a decorated Chinese movement with crude engravings. Also, check the serial number—it should be deeply engraved and match the warranty card. For resale considerations, see our resale photography guide.

Bracelet and Clasp Quality

Royal Oak Offshore bracelets feature alternating brushed and polished links. The clasp should close with a solid click, and the AP engraving inside must be sharp, not laser-etched. Fakes often have a sharp or loose folding clasp. If the bracelet pulls hair or feels gritty, it's likely counterfeit.

WhatsApp Value Check: What to Send

- Clear photos of the dial, bezel, and caseback (including movement if sapphire).
- A video of the second hand sweep (automatic movements have a smooth 8 Hz sweep; fakes often tick).
- A photo of the serial number and any accompanying papers or box.
- A weight measurement on a kitchen scale (grams).
- A close-up of the clasp engraving and screw heads.