Short answer
A knockoff IW329061 is a counterfeit copy of an IWC watch, built to look like reference IW329061. It is not grey market stock, not a factory second, and not an IWC that fell off a truck. Someone copied the outside of the watch and dropped a third-party movement inside. Prices run from roughly $90 to $600 depending on how much work went into the case, dial, and bracelet.
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What the reference actually is
IW329061 belongs to IWC's Aquatimer family, the brand's dive watch line. That detail matters more than people expect. A dive watch replica has to fake things that are invisible in photos, like crown tube threads, caseback gasket seating, and how a bezel indexes at each minute mark. Most copies handle the photos fine and fail everywhere else.
Sellers also swap reference numbers freely. Before you compare anything, check the reference against IWC's own listing, because plenty of listings attach a genuine number to a watch that never matched it in the first place.
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Where replicas fall apart
- Water resistance. Claimed at 300m, realistically not rated at all. The gaskets are the cheapest part of the build and the easiest to skip. Never swim in one, and never shower in one, no matter what the listing says.
- The bezel. This is the tell. A genuine dive bezel moves with tension and stops dead on each mark. Cheap copies spin loose, or grind, or sit slightly off center at 12.
- Movement. You will see cloned ETA 2892s, Seagull movements, and Seiko NH35s dressed up with engraved rotor plates. They keep time for a while. Parts and service, however, are a problem nobody solves.
- Finishing. Brushed surfaces run the wrong direction, caseback engraving is shallow, end links rattle, and lume fades to nothing in about an hour. Real Super-LumiNova glows all night.
- Weight and balance. Steel grade and case thickness are usually off by just enough that it wears wrong on the wrist.
What the price tiers buy
Under $150 gets you a watch that reads as fake from arm's length. The $200 to $400 range gets closer cases and better dial printing, and this is where most buyers land. Above that, you are paying for small corrections and a movement with a better reputation, not for anything that changes the legal picture.
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Every tier shares the same ceiling. No warranty. No service from IWC. No parts. Practically zero resale, because the secondhand market for counterfeits is thin and nervous.
The part people skip
Importing counterfeit goods into the US is illegal. Customs seizes them, and the letter that arrives is not a refund notice. Trademark counterfeiting also carries civil exposure, and selling them is a separate and worse problem. If you ever pass one off as genuine, that is fraud, and it is the kind that ends up in court.
There is also the resale trap. Buyers who start with a copy often assume they can sell it later. They can't, at least not without lying, and the watch they thought was an investment becomes a drawer item.
What I would do instead
If what you want is the look, buy an homage. Several brands make honest dive watches in the same style, with their own name on the dial, real water resistance, and a service network. If what you want is the watch, buy a used genuine example and budget for a service. If the budget will not stretch there, a solid Japanese diver scratches most of the same itch for years.
If someone offers you one as real
Get the caseback open before money changes hands. A watchmaker can spot the movement in two minutes, and IWC itself can service and confirm a genuine piece. Cross-check the reference, the serial, and the price. A real one priced at a third of market is not a lucky find.