A search for fake IW328044 usually means one of two things. Either you are looking at a watch advertised under that IWC reference and want to know whether it is genuine, or you want a replica of that reference and want to know what separates a well-built one from junk. The top pick for both readers is the same starting move: confirm the genuine reference specification first, then judge every watch against it. Case size, dial printing, crown action, caseback engraving, bracelet hardware and seller behavior only mean something once you know what the real watch should look like. The criteria below follow the order a careful buyer would work through them.

Confirm what IW328044 is supposed to be

IWC publishes reference-level specification pages for current and recent models, and that page is the version of record. Write down four numbers and one string of text: case diameter, case thickness, lug width, and the exact wording printed on the dial. Then compare the watch in front of you against that list rather than against a photo you half-remember from a forum. Replica factories revise details between batches, so having seen one like this before is weak evidence. The published specification is not.

If the reference cannot be found in the brand's own catalog, stop there. Some sellers attach a plausible number to a watch that was never produced in that configuration, and that is a different problem from a replica of a real model.

Pros

  • Takes minutes and settles most arguments before money moves.
  • Leaves you with a written checklist you can reuse for every listing.

Cons

  • Spec pages describe the case and dial, not the movement inside a replica.
  • Older or discontinued references may need archive listings or owner photos to fill gaps.

Best for: anyone who has found a listing and needs a decision inside a day.

Case size, thickness and finishing

Replica cases often get the diameter close and the thickness wrong. That happens when a factory drops a thicker or thinner movement into a case built for the original, then hides the gap with a spacer. Measure with calipers if you can, or ask the seller for a photo of the case next to a ruler.

Pros

  • Lugs curve down toward the wrist the way the reference does, with proportions that match the published spec.
  • Brushed and polished surfaces are separated by crisp lines rather than a soft blur.
  • Crown sits level with the case band and turns without grit.

Cons

  • Case noticeably thicker than the specification, often with a domed caseback that was never on the original.
  • Lug edges sharp enough to catch a cloth, or polish so bright it reads as chrome.
  • Crown guards too thick, too thin, or cut at the wrong angle.

Best for: buyers who can handle the watch before paying, since thickness is hard to judge from photos alone.

Dial, hands and printing

Dial work is where the price gap shows up fastest. Look at the text under magnification. Genuine printing stays sharp at the edges at high zoom, while cheap pad printing frays and the letters sit slightly uneven. Numerals and markers should be applied, with flat polished tops and clean sides.

Pros

  • Text weight and spacing line up when you overlay the two images.
  • Applied markers catch light evenly and sit level with the dial surface.
  • Hands reach the correct point on the track, and the seconds hand carries the right counterweight.

Cons

  • Text too bold, too thin, or drifting off centre.
  • Markers glued in at slight angles, or lume that is a different colour from the hands.
  • Date window cut in the wrong place, or a date wheel with the wrong font.

Best for: remote buyers, because a sharp macro photo of the dial is the one thing most sellers can produce if you ask directly.

Movement, winding and date change

Ask what is inside and how it behaves. A watch that claims a long power reserve and dies overnight tells you something. Wind the crown slowly and feel for roughness. Set the time past midnight and watch the date change. An instant snap at midnight suggests a movement built for that job, while a slow creep that starts at ten and finishes at two is common in cheaper builds.

Pros

  • Crown threads engage smoothly and the stem does not wobble.
  • Sweeping seconds that advance in small steps rather than one visible tick per second.
  • Date flips cleanly without dragging the dial print around.

Cons

  • Grinding, or a crown that pops out of gear when you set the time.
  • Loud rotor noise, or a case that buzzes against your wrist.
  • Date change spread across two hours, or stuck between numbers.

Best for: collectors who plan to wear the watch daily rather than keep it in a box.

Caseback engravings and serials

Depth and font matter more than the wording. Genuine engravings are cut or laser-etched with consistent depth and crisp inner corners, while cheap replicas stamp lightly and the letters round off. Check that the reference on the caseback matches the dial, and that the serial format is plausible for the production period.

Pros

  • Even depth across the whole caseback, with no shallow patches.
  • Reference and case number spaced and sized the way archived examples of the same model are.

Cons

  • Engraving so faint it disappears in indirect light.
  • The same serial number appearing across multiple listings, which is a factory tell rather than a watch tell.

Best for: buyers cross-checking one listing against archived photos of the same reference.

Bracelet, strap and hardware

Hardware is often where a build gives itself away, because it is easy to copy in a photo and hard to copy in steel. End links should meet the case without a visible step. The clasp should close with a firm click, and the engraving on it should match the caseback in style.

Pros

  • End links sit flush with no rattle when you twist the case.
  • Clasp action firm, with screws that take a proper turn instead of spinning.
  • Strap stitching even, with leather that creases instead of cracking.

Cons

  • Gaps between the end link and the lugs, or a bracelet that flexes like a soda can.
  • Clasp stamped with the wrong logo, the wrong font, or no engraving at all.
  • Rubber or leather that smells of solvent.

Best for: anyone buying on a bracelet, since swapping straps later will not fix loose end links.

Price, sourcing and seller signals

Price is not proof of anything by itself, but it works as a filter. A watch sold as genuine at a fraction of the going rate for that reference is either damaged, misdescribed, or not what it claims to be. On the replica side, a seller who cannot say which factory built the watch, what movement is inside, or what the return terms are is a seller worth skipping.

Pros

  • Seller posts their own photos, including the caseback, crown and clasp.
  • Returns accepted, and the listing states which factory and movement tier you are buying.
  • Delivery terms and payment method are written down before you pay.

Cons

  • Stock photos only, or a refusal to send a caseback shot.
  • Claims of Swiss made on a watch at a price that cannot support it.
  • Pressure to pay through a method that leaves no record.

Best for: first-time buyers who want a clear exit if the watch does not match the listing.

Counterfeit, replica and how the labels differ

The words are not interchangeable in every context. A counterfeit is a watch made to pass as the genuine article, often carrying the brand's trademarks and packaging, and watch industry bodies treat that as infringement. A replica is generally sold openly as a copy, which is the category most buyers searching this term are actually shopping in. Knowing which one you are being offered matters, because the seller's honesty at that step says a lot about the rest of the transaction.

Work through the sections above in order and you will have a defensible answer: confirmed reference spec, measured case, inspected dial, tested movement, checked engraving, felt hardware, and read the seller's terms.