Short answer
A fake Audemars Piguet ref 15500 is a counterfeit copy of the Royal Oak Selfwinding 41 mm, reference 15500ST. The genuine watch carries calibre 4302, a 41 mm case about 10.4 mm thick, an integrated bracelet, and the Grande Tapisserie waffle dial. Counterfeit versions copy that outline and dial pattern, then give themselves away in the movement, the finishing, the weight, and the feel of the bracelet. Street prices run from roughly 80 USD for a quartz toy to 500 USD and beyond for a so-called super clone with a decorated or cloned movement.
What the genuine ref 15500 is
Audemars Piguet introduced the 15500 in 2019 as the replacement for the 15400. It measures 41 mm across, sits roughly 10.4 mm tall, and runs the in-house calibre 4302 with a date at 3 o'clock and about 70 hours of power reserve. Steel, gold, and two-tone versions exist, and the bracelet uses polished outer links with brushed top surfaces and slotted screws at the sides. Those screws, the dial pattern, and the case thickness are the three details counterfeiters struggle with most.
Replica tiers you will see
- Budget tier: quartz or a low-grade automatic, stamped dial, painted date wheel, hollow bracelet, sharp edges on the bezel screws.
- Mid tier: Miyota 9015 or ETA 2824 inside, better dial texture, correct 41 mm case, but thick lugs and a date font that is too wide.
- High tier: cloned calibre 4302 with engraved bridges, sapphire with correct clarity, bracelet with working screws and closer link geometry.
Movement inside a fake 15500
Most counterfeit 15500 watches hide a Japanese or Chinese automatic under a rotor engraved to look like AP finishing. Cloned 4302 movements exist and show perlage, Cotes de Geneve stripes, and an engraved rotor, yet the gear train, jewel count, and balance assembly rarely match the genuine article. Open the caseback on the real watch and you see a free-sprung balance, sharp anglage on the bridges, and a solid gold rotor. Clones use brass with gold plating, softer bevels, and a regulator that the genuine movement does not have.
How to check a 15500
- Measure the case across the bezel: the genuine number is 41 mm, and many fakes land at 42 mm or wider.
- Check the thickness with calipers: anything over 11 mm points to a clone with a thick movement spacer.
- Study the dial under a loupe: genuine Grande Tapisserie squares are crisp and even, while copies show rounded edges and shallow valleys.
- Compare the date font: the genuine window is tight, thin, and aligned, and fakes print a bolder, wider numeral.
- Look at the bezel screws: eight hexagonal screws sit flush and aligned to the same radial line, and fakes sit proud or rotate off-axis.
- Weigh the watch: a genuine steel 15500 with a full bracelet lands near 165 grams, and most replicas come in 20 to 30 grams lighter.
- Inspect the bracelet screws: genuine slotted screws sit flush in the link sides, and fakes show punched pins or stripped heads.
Legal and practical notes for US buyers
Trafficking in counterfeit goods is a federal crime under 18 U.S.C. 2320, and US Customs destroys seized shipments without compensation. A fake 15500 also cannot be serviced by an authorized watchmaker, holds no resale value, and arrives with no warranty. Treat any listing that promises original parts, box, and papers at a fraction of retail as a counterfeit, because the genuine 15500 has traded above retail since launch.