Short answer
"Fake IW329087" is a search term for counterfeit watches sold with an IWC-style reference number. IWC writes references as the letters IW plus six digits. We could not confirm a standard production model numbered IW329087 in the catalog data we checked. IWC posts its current references on its own site. A listing that uses a number IWC does not list falls into one of three groups: a limited or regional model, a discontinued model, or a number the seller invented to look official. Confirm the number with IWC or an authorized dealer before you send money.
How IWC reference numbers work
- Prefix: IW, with no space.
- Six digits follow. The first block groups the model family. The last digits mark the version, dial, and case metal.
- Two watches can share a dial color and differ by one digit in case material or strap.
- Serial numbers sit on the caseback and do not match the reference number in any fixed pattern.
- Paperwork, hang tags, and boxes repeat the reference. They do not prove the watch is real.
Replica grades sellers use
Counterfeit sellers use tier names such as AAA, 1:1, and super clone. No trade body defines those terms. Prices for fake IWC Pilot's Watch models run from about $80 to $600. That money buys a case and a movement of unknown origin. Some fakes use quartz movements. Others use Asian copies of the ETA 2824 or the Sellita SW200. A smaller group uses used or refurbished Swiss movements. A genuine steel IWC Pilot's Watch in this family lists in the $5,000 to $7,000 range at retail.
Checks that separate a fake from a real IWC
Dial and hands
- Printed text: look at stroke width and letter spacing under a loupe.
- Lume: genuine fill sits level in the marker. Fake fill spreads past the edge.
- Date window: check cut edges and the font of the date wheel.
- Crystal: IWC applies anti-reflective coating to both faces. A fake often shows a blue or purple tint and no coating on the inner face.
Case and caseback
- Engraving depth, font, and spacing on the caseback.
- Crown logo shape and the thread feel when you wind it.
- Lug width. Measure it and compare to the IWC spec sheet for that reference.
Movement
Genuine IWC Pilot's Watch models use in-house calibres. The Mark XVIII uses calibre 35111, built on a Sellita SW300 base. The Mark XX uses calibre 32111 with a 120-hour power reserve. A counterfeit shows a different rotor engraving, a lower beat rate, or no hacking function.
Legal status in the United States
US Customs and Border Protection bars import of goods that carry a counterfeit trademark. 19 U.S.C. 1526 covers trademark imports. Selling a counterfeit watch violates 18 U.S.C. 2320. A first trafficking offense by an individual carries up to 10 years in prison and a $2 million fine. Willful counterfeiting also triggers statutory damages under the Lanham Act of up to $2,000,000 per mark per product type. Buying for personal use carries less criminal exposure, but agents can seize the item with no refund, and a dealer or service center will refuse repair.
What to do instead
Check the IWC site for the reference. Ask an authorized dealer for a printout of the model and its specs. Buy used from a dealer that gives a written authenticity guarantee and a service history. If a seller will not show the movement or the caseback, stop the deal.