The short answer
There is no such thing as a good cheap "fake IW322017." The reference belongs to IWC's Ingenieur Automatic family, a low-production steel sports watch, and the replica trade treats it as a side item. That means the copies floating around are either rough (wrong case proportions, cast bezel screws, sloppy dial print) or surprisingly close on the outside and obviously wrong the moment you turn it over. If you are checking one you already own, the caseback engraving, the five bezel screws and the movement decide it. If someone is offering you one for a few hundred dollars, it is a replica, and the only honest question left is whether the seller is telling you that.
What the real watch is
The IW322017 sits in the 3220-series Ingenieur Automatic line: a steel case with the line's signature five recessed screws set into the bezel, an integrated-looking bracelet, a screw-down crown, and an in-house automatic movement under a sapphire back on most examples. Water resistance in this family is rated around 120 m. Production was small next to a Submariner or a Speedmaster, which is why you rarely see convincing fakes and why the bad ones stand out fast.
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The checks that actually settle it
Bezel screws
This is the first thing I look at, because it is the hardest detail to copy at low cost. On a genuine Ingenieur the five screws sit in machined recesses, sit flush or nearly flush, and are finished to the same standard as the rest of the bezel. Fakes tend to have shallow recesses, screws that sit proud, or slots that are stamped rather than cut. Run a fingernail across them. Real ones feel like machined metal; copies feel like a casting.
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Caseback and engraving
Reference and serial numbers live between the lugs on genuine IWC watches, struck deep and crisp, not laser-etched thin. Look at the letterforms under a loupe. Fakes usually get the font weight wrong, crowd the spacing, or engrave the wrong reference for the case style. If the watch has a display back, the inner engraving and the rotor text should be sharp and consistent with IWC's own typography.
The movement
Open the back and the argument ends. A real IWC automatic in this generation shows proper finishing: Geneva stripes or perlage applied evenly, blued screws, an engraved rotor with the calibre marking, and a balance running at 28,800 vph. Replicas use a generic Asian automatic, often with a decorated plate glued over it, and the decoration never survives close inspection. If the seller will not let you see the movement, walk.
Dial, hands and date
Applied indices on a genuine piece sit level with clean edges and lume that fills the frame evenly. Fakes show glue haze, uneven lume, or indices that catch the light at slightly different angles. The date window should be cut cleanly with the wheel sitting at the right depth. Hand finishing matters too: brushed tops, polished bevels, no tool marks.
Bracelet and clasp
Solid links, correct taper, screws rather than push pins on this generation, and a clasp stamp that is deep and readable. Rattle is not proof of anything on an older watch, but sharp edges and mismatched brushing are.
Red flags in a listing
- A price far under the market band for a steel Ingenieur Automatic.
- Photos that avoid the caseback, the bezel screws in close-up, or the movement.
- "No box or papers" combined with a fresh-looking bracelet and a worn case.
- A seller who calls it a "replica" in one message and "authentic" in the next.
- Stock photos instead of the actual watch, which is common on marketplace listings.
If you want a replica on purpose
That is a different transaction, and it should be labeled as one. A replica sold openly as a replica is a copy you wear knowing what it is. A counterfeit sold as genuine is fraud, and the IW322017 is not a reference where the copies are good enough to fool a careful buyer anyway. Buy from a seller who states plainly what the watch is, shows the movement, and prices it as a copy.
Bottom line
Check the bezel screws, the engraving between the lugs, and the movement. Those three answer the question in about five minutes. Everything else, box, papers, feel, weight, is supporting evidence, not proof.