IWC's public catalog does not list a reference IW321801. IWC prints references as IW plus six digits, for example IW371605 or IW500705. The string "fake iw321801v5" splits into two parts: a claimed base reference (IW3218-01) and a replica iteration label (V5). The V label marks the fifth run of a copy from one workshop. No factory registers that label and IWC does not use it.

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How replica version numbers work

A workshop ships a model, reads buyer notes, then changes parts. A V2 may correct a date font. A V3 may swap a movement. A V5 claims five rounds of change. Nothing enforces the count. Two sellers can offer a "V5" case from different sources, so the label alone tells you nothing about quality. Ask for the factory name, the movement code, and the case measurements before you compare price.

fake iw321801v9

What to check on an IWC copy

  1. Case width and thickness in millimeters. Compare against the genuine spec sheet.
  2. Dial print. Check the Schaffhausen line, index height, and the date window cut.
  3. Hands. Genuine leaf hands taper to a point. Copies show flat edges.
  4. Movement. Ask for the calibre number and the beat rate. 28,800 vph is standard on most Swiss-pattern automatics.
  5. Caseback engraving depth and font weight.
  6. Crown tube length and thread pitch.
  7. Weight in grams on a scale, not on a photo.

Photos hide the details that matter

A 1200-pixel JPEG hides burrs on a lug, gaps at the end link, and dust under the crystal. Ask for a video with the seconds hand running and a shot of the caseback serial area. Request a timegrapher printout with rate, amplitude, and beat error. Those three numbers are hard to fake on a still image.

Fake IW321801V8: Reference and Version Code Guide

Legal and shipping risk

U.S. law bars import and sale of counterfeit watches. CBP can hold or seize a parcel at the port. The FTC treats the sale as a violation with civil penalties. A payment dispute is hard to win when the item is illegal to ship. Weigh that before you wire money.

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Questions to ask before paying

  • Factory name and version history?
  • Movement code and beat rate?
  • Case diameter and thickness in millimeters?
  • Water resistance test result?
  • Return address and refund terms?

If a seller cannot name the movement code or measure the case thickness, the V5 label carries no weight. The reference number on the listing is a search term, not a document from IWC.