A fake IW371747 is a counterfeit watch built to imitate an IWC Schaffhausen model that carries the reference number IW371747. The reference number itself is genuine, but the watch it is attached to in a counterfeit listing is not: it comes from an unlicensed factory, uses a third-party movement, and carries no IWC warranty or service history. In practice, the reference number is often the most trustworthy part of a fake listing.
What the IW371747 Reference Actually Tells You
IWC builds its reference numbers in blocks. The leading digits identify the model family, and the final digits narrow that down to a specific dial color, case metal, bracelet or strap option, and sometimes a limited edition. Two watches from the same family can look nothing alike, which is why a bare number is not enough to confirm what a watch should look like.
Because buyers search reference numbers, counterfeit sellers reuse them. A listing that leads with "IW371747" and a price that is a small fraction of retail is usually telling you more about search traffic than about the watch.
Why This Reference Gets Counterfeited
A stainless steel chronograph with a clean dial is one of the easiest watches to copy. The case is a simple round shape, the dial uses standard printed indices, and a leather strap hides a cheap clasp. Counterfeiters can pair a basic automatic chronograph movement with a printed dial and produce something that looks convincing in a phone photo.
That is also why photos are weak evidence. Light, angle, and image compression hide the details that actually separate a genuine watch from a copy.
How to Spot a Fake IW371747
Dial and hands
- Printing should be sharp and evenly weighted. On fakes, letters blur at the edges and spacing drifts wider or narrower than the original.
- Subdial positions, functions, and hand lengths must match the genuine layout exactly. If a subdial does something different from the real watch, the dial was made to fit a stock movement.
- The chronograph seconds hand should sweep smoothly. A hand that ticks once per second is quartz, never genuine.
- Hands should reach the correct markers. Short or mismatched hands are a common giveaway.
- Lume plots, if present, should sit inside the marker frames with no overflow or uneven thickness.
Case, crown, and caseback
- Compare case diameter and thickness against the published specification. Fakes often run slightly thicker to fit a different movement.
- Crown engraving should be crisp and centered. Weak or shallow stamping points to a copy.
- Caseback engraving on a genuine watch is deep and clean. Laser-etched or shallow markings are a warning sign.
- Reference and serial numbers should be consistent with the model and should appear in the same format and position on every genuine example.
- Crystal reflections should be controlled. Genuine anti-reflective coating reduces glare; cheap crystals flare under light.
Movement and feel
- Winding, setting the time, and operating the chronograph should feel mechanical and consistent. Gritty or loose pushers suggest a low-grade movement.
- Look at the movement through a display back if the model has one. Rotor engraving, finishing, and jewel count are where copies fall apart.
- Weight is a rough guide only. A heavier watch is not proof of authenticity.
Box, papers, and provenance
- Genuine packaging, warranty card, and manual should match the watch and the reference number.
- A seller who cannot explain where the watch came from, or who avoids a service center inspection, is a risk regardless of how good the photos look.
Price and Paperwork Reality Check
If an asking price is far below what the market shows for a comparable genuine watch, assume the difference is the point. Genuine IWC chronographs hold value; counterfeits do not. A fake cannot be serviced by IWC, cannot be registered, and will be refused by any reputable dealer on trade-in. Buyers who plan to resell a counterfeit later usually find there is no buyer.
Legal and Safety Issues
In the United States, trafficking in counterfeit goods is a federal offense, and counterfeit shipments can be seized and destroyed at the border. Buying for personal use is a lower-risk scenario than selling, but reselling counterfeit watches, or importing them in quantity, can lead to fines and criminal charges.
There are practical risks too. Counterfeit cases are often made from unknown alloys that can release nickel and irritate skin, and their stated water resistance is not tested. Do not swim or shower with one. A counterfeit chronograph also has no spare-part supply, so a single failed component can end the watch's life.
How to Verify an IW371747 Before You Buy
- Write down the full specification for the reference from IWC's own materials.
- Ask for the reference and serial numbers in writing, then photograph them.
- Request photos taken in daylight from straight on, not angled or filtered.
- Have an independent watchmaker open the case and confirm the movement.
- Pay only through a method with buyer protection, and keep the listing text.
FAQ
Is a fake IW371747 worth buying?
Financially, no. It has no resale market, no warranty, and no service path. Buyers who purchase one as a novelty usually find that repairs cost more than the watch did.
Can a watchmaker tell a fake IW371747 from a genuine one?
Yes. A qualified watchmaker who opens the case can identify the movement and finishing in minutes. Dial printing and caseback engraving are usually enough without opening it.
Does a counterfeit IW371747 use the same movement as the original?
No. Counterfeits use third-party or cloned movements that imitate the look of the original. They are not made by IWC and are not interchangeable with genuine parts.