Quick answer
Fake Audemars Piguet watches appear in the pre-owned market on classified sites, social platforms, and in some dealer stock. The Royal Oak is the most copied line. Four checks remove most of the risk: match the serial number with Audemars Piguet, pay for an independent authentication, compare the asking price against recent sold prices, and pay through escrow.
Why the Royal Oak gets copied
Audemars Piguet builds a small number of watches each year next to Rolex, and steel Royal Oak references sell above retail. That gap between supply and demand supports a copy industry. Workshops in Guangzhou and Shenzhen build Royal Oak copies at several tiers, from quartz pieces to automatic watches with decorated movements.
Price is the first filter
A steel Royal Oak Jumbo or a 15500ST changes hands in the tens of thousands of US dollars on the secondary market. A listing at $7,000 is not a discount. Red flags:
- Price 50 percent or more below recent sold comparables.
- Seller refuses photos of the caseback, the movement, or the serial.
- Payment demanded by wire, gift card, or crypto with no escrow.
- Stock photos instead of photos of the actual watch.
Case and bezel checks
The Royal Oak bezel holds eight hex screws. On a genuine watch those screws pass through the mid-case and thread into the caseback, so the back of the watch shows eight slotted screw ends that line up with the screws on the front. Many copies glue the front screws into a solid bezel and show no matching hardware on the back.
Other points to inspect:
- Caseback engraving. Reference and serial numbers on a genuine watch are deep, crisp, and consistent in font. Laser-etched numbers on a copy look shallow or fuzzy under a loupe.
- Gold weight. A solid 18k Royal Oak weighs more than a gold-plated steel case of the same size. A kitchen scale and a known weight for the reference settle the question.
- Dial texture. Grande Tapisserie dials are cut on a machine, so each square has angled walls and a sharp edge. Copies print the pattern or mould it with soft edges.
- Applied logo, hands, and date font. Compare against a photo of the same reference from a source you trust.
Movement checks
Audemars Piguet uses in-house calibers such as the 2121, 3120, 4302, and 4401. Copies carry ETA clones, Seiko movements, or Chinese automatic calibers, some with a decorative plate on top. Look at the rotor engraving depth, the perlage and Cotes de Geneve finish, and the balance. Genuine AP calibers use a free-sprung balance. Most copies use a regulator with a pointer arm.
A display back makes the check easy. A solid caseback means the movement stays unseen until a watchmaker opens the watch.
Serial numbers and paperwork
Audemars Piguet does not run a public serial lookup. The Heritage department issues an Extract from the Archives that lists the original production details for a specific serial number. The Watch Register holds an international database of lost and stolen watches that dealers and auction houses search by serial.
Box and papers carry weight but prove nothing on their own. Counterfeit warranty cards, booklets, and boxes exist for most popular references. A full set from a private seller with no service history is a weak signal.
Steps before you pay
- Ask for the reference number and the serial number, plus dated photos of the caseback.
- Search the serial with The Watch Register or ask the seller for a dealer search result.
- Compare the price with sold listings for the same reference and condition.
- Book an independent authentication with a watchmaker who handles Audemars Piguet. Budget roughly $150 to $500 for a check, more if the watch needs a full service.
- Use escrow or a marketplace that holds funds and allows a return window. eBay's Authenticity Guarantee covers watches sold at or above $2,000 and sends them to a third-party authenticator before delivery.
- Keep the authentication report. It matters at resale.
Limits of a photo check
Photos catch obvious copies. They do not catch a franken watch, meaning a genuine movement in a non-original case or a dial that was swapped. Only a watchmaker with the watch in hand can confirm that the parts match the serial. Customs in the United States and the European Union seize counterfeit imports, and a buyer who paid for a fake watch has no warranty path with Audemars Piguet.