Quick answer
A real Audemars Piguet Jules Audemars self-winding watch has a hand-finished manufacture movement, a solid gold rotor engraved with the AP crest, a signed crown, and a reference and serial number that Audemars Piguet can confirm. Fakes fail on the movement finish, the dial printing, and the case proportions far more often than they fail on the caseback engraving. If a seller calls a watch a Jules Audemars self-winding but will not let you see the movement, treat it as not genuine.
If you want a look-alike, buy one sold openly as a replica or first copy. Do not pay genuine money for a watch with a swapped dial and a stock movement.
Prerequisites
- A 10x jeweler's loupe
- Digital calipers that read to 0.01 mm
- A scale that reads to 0.1 g
- Reference photos of the exact reference number you are inspecting
- The declared caliber for that reference
- A phone or camera for macro shots of the dial and movement
How to check a Jules Audemars self-winding
- Measure the case across the bezel and compare it to the published diameter for that reference; most Jules Audemars cases sit in the 36 mm to 41 mm range.
- Measure the case thickness at the caseback, since ultra-thin fakes are almost always 0.3 mm to 1 mm too thick.
- Examine the dial text under the loupe and check that the Audemars Piguet signature is crisp, correctly spaced, and applied or printed without a halo.
- Look at the date window and confirm the aperture edges are cut sharp and the date disc sits flush with the dial.
- Inspect the crown for the AP logo and check that it sits centered between the lugs.
- Read the caseback and record the reference number and the serial number exactly as stamped.
- Send those two numbers to Audemars Piguet or an authorized dealer and ask for written confirmation of the reference and caliber.
- Have a watchmaker open the caseback if the owner allows it.
- Inspect the rotor for the engraved AP crest and check that the engraving is cut, not stamped flat.
- Inspect the bridges for Geneva stripes, the base plate for perlage, and the screws for a blue or polished finish.
- Check the jewel count and the beat rate against the declared caliber; an in-house AP self-winding caliber on a newer reference runs at 28,800 vibrations per hour.
- Weigh the case on the scale and compare it to the expected weight for the stated metal.
- Review the box, booklet, and certificate and confirm the numbers on the paperwork match the watch.
What fakes get wrong most often
- Dial printing that is fuzzy, uneven, or too heavy
- Hands that are the wrong length or shape for the reference
- Rotor engraving that looks stamped or laser-etched rather than cut
- Movement finishing that stops at the visible edge
- Caseback engravings with the wrong font depth or spacing
- Reference numbers that exist but belong to a different case metal or dial color
Paperwork and price signals
A price well below the current secondary market for the same reference is the single strongest warning sign. So is a seller who offers only phone photos of the dial and none of the movement, or who pushes you to pay with a method that offers no chargeback. Certificates that list a reference number but not a matching serial number are worth nothing.
When to walk away
- The seller refuses a movement inspection
- The serial number returns no record from Audemars Piguet
- The case thickness or diameter does not match the reference
- The dial, case, and caseback numbers point to three different watches