If you are looking up IW329106 because a listing seems too cheap to be real, trust that instinct. That reference number identifies one specific IWC Schaffhausen watch, and the only version worth owning is the genuine one. Counterfeit versions carry no resale value, cannot be serviced or repaired by the brand, and cannot be legally imported into the United States. This guide covers how to verify the reference, where to buy, what to inspect before money changes hands, and the signs that a watch is a fake.
Start with the reference number itself
A reference number is not a marketing label. It points to one exact combination of case material, case size, dial, strap and movement. Before you shop anywhere, open IWC's own catalogue and write down the published specification for IW329106: diameter, material, crystal, water resistance, dial layout and movement type. Then hold every listing against that list. Most counterfeits fail on at least one published detail, and the seller usually hopes the buyer never bothered to check.
Paperwork carries as much weight as the watch. A genuine sale should include the warranty card or booklet stamped with the dealer and date, the presentation box, and the manual. Ask for the serial number and confirm it matches the engraving on the case. A seller who will not show the caseback, the movement, or the papers is not a seller you can do business with.
Where to buy
- Authorized dealers and IWC boutiques: full warranty, no counterfeit risk, and the reference can be ordered or waitlisted.
- Established pre-owned marketplaces: buyer protection and in-house authentication, plus a public record of what the reference actually trades for.
- Trusted collectors or watchmakers with a verifiable history and references you can contact.
Avoid social media sellers, factory direct websites, and anyone who presses you to pay by bank transfer with no recourse. Those channels exist because they leave you with nothing when the watch turns out to be wrong.
What to inspect before you pay
- Reference and serial: confirm both match the paperwork and appear in the correct style and position for the model.
- Case and finishing: look for sharp lug edges, even brushing, and a crown that seats cleanly against the case.
- Dial and hands: check the printing under magnification, the alignment of the hands at twelve, and the colour and depth of any applied markers.
- Movement: a genuine example should run and beat consistently, and any independent watchmaker should be able to identify it.
- Weight and feel: counterfeits often feel light for their size or use plated base metal that wears through.
- Service history: factory or authorized service records support both authenticity and value.
Price signals instead of price lists
Prices move with condition, box and papers, and market demand, so the number itself is less useful than the comparison. Pull the current asking range for the same reference on reputable pre-owned platforms, then look at what you are being offered. When a watch is priced at a small fraction of that range, it is counterfeit, stolen, or not what the listing claims. Genuine IWC watches hold value and can be serviced. Counterfeits do neither.
Red flags
- Photos taken from a catalogue or from another seller's listing.
- No serial number, blurred caseback, or a refusal to provide extra images.
- Warranty card with no dealer stamp, or a stamp that does not match the seller's story.
- Pressure to pay off-platform, by gift card, or by cryptocurrency.
- Language about being a replica, a mirror, or a super clone at any price point.
FAQ
Can a high-end fake be serviced like a real one?
No. IWC does not service or supply parts for counterfeits, and independent watchmakers often cannot source components that fit. A fake is disposable the moment it stops running.
How close can a counterfeit get?
Some copies photograph well. Up close, the differences show in the finishing, the dial printing, the crown action, the movement and the long-term timekeeping. None of that is recoverable.
Where can I confirm a reference number?
IWC's own catalogue and any authorized dealer are the reliable sources. Online forums can help, but treat them as opinion, not proof.
Is there any legal risk in buying a counterfeit?
In the United States, counterfeit trademarked goods are subject to seizure at import and buyers can face civil penalties. There is also no warranty and no recourse if the watch never arrives.
Bottom line
Buy the genuine reference from a dealer, a boutique, or a documented pre-owned seller, verify the paperwork against the watch, and walk away from anything priced so low that it cannot be real. That approach is slower than ordering a fake, and it is the only one that leaves you with a watch you can wear, service and sell.