Short Answer
A fake IW93850 is a watch sold under an IWC-style reference number that has no matching entry in official IWC documentation. Modern IWC references use the letters IW followed by six digits, so a five-digit string such as 93850 does not fit the published format. Treat any watch offered under this number as a replica until the case, movement, and paperwork prove otherwise.
Reference numbers are the cheapest thing for a seller to fake. The rest of the watch is not. Work through the checks below in order and stop at the first failure.
Prerequisites
- A 10x jeweler's loupe
- Digital calipers or a ruler with millimeter marks
- A kitchen scale that reads in grams
- The listing photos, warranty card, and any service papers
- A well-lit table and a soft cloth to rest the watch on
How to Check an IW93850 Step by Step
- Write down the reference string printed in the listing title, on the warranty card, and on the caseback. Compare all three word for word.
- Search the official IWC product archive for that string. If no model page returns, the reference does not exist in the catalog.
- Count the digits after the IW prefix. A five-digit number does not match the six-digit format IWC has used for modern references.
- Measure the case diameter, thickness, and lug width with calipers. Compare each figure against the published spec for the closest genuine model.
- Weigh the watch on the scale. A plated brass or thin steel case lands well under the published weight of the genuine piece.
- Examine the caseback engraving with the loupe. Look at the depth of the cuts, the letter spacing, and the sharpness of the reference and serial numbers.
- Cross-check the serial number on the caseback against the one on the warranty card. Fakes often repeat the same serial across a whole production batch.
- Turn the watch over and inspect the movement through the display back. Check rotor engraving, perlage on the bridges, blued screws, and jewel count.
- Wind the crown slowly and feel for grit, then set the date and time. A rough crown action or a date that flips at the wrong hour points to a budget movement.
- Study the dial printing under the loupe. Look for ink bleed on the logo, uneven lume plots, and a date window that sits off-center in its cutout.
- Hand the watch to an independent watchmaker for a movement identification. A trained eye identifies the base caliber in minutes.
Why the Reference Number Matters Most
Replica sellers reuse numbers from discontinued or limited models because buyers cannot pull up a clean comparison. When a reference does not resolve against IWC records, every other detail on the watch becomes a claim without a baseline. That single failure is enough to walk away.
If the seller pushes back on a movement identification, treats the request as an insult, or offers a steep discount to close the deal today, the watch has already answered the question.
What to Do After a Failed Check
- Request a full refund in writing if you already paid.
- Photograph the caseback, movement, and paperwork before returning anything.
- Report the listing to the marketplace with the reference mismatch noted.
- Keep the serial number on file so you recognize the same watch if it reappears.