A fake IW544718 gives itself away in three places: the tourbillon cage never rotates, the case is plated steel instead of solid gold or platinum, and the dial printing and engraving look soft. A genuine IW544718 is an IWC Portuguese Tourbillon Mystère in a precious-metal case, powered by an IWC manufacture hand-wound tourbillon movement with a documented service history. Authenticate the cage first, then the metal, then the paperwork.
What is the IWC IW544718?
The reference belongs to the Portuguese line, the most collected family in the IWC catalog, built around a flying tourbillon that appears to float inside the dial. The 544718 suffix marks a precious-metal case variant with its own dial and strap pairing. Production runs are short, so most genuine examples move through auction houses and established dealers rather than general listings.
How can you tell a fake IW544718 from a genuine one?
Does the tourbillon actually rotate?
A real flying tourbillon turns once per minute and carries the balance wheel and the small seconds with it. Counterfeits print a cage pattern on the dial or fit a decorative wheel that stays still. Watch the cage for a full 60 seconds under a loupe before you believe anything else.
Is the case solid gold or platinum?
Genuine cases are solid platinum or gold, so the watch feels dense and shows hallmark stamps inside the caseback. Fakes use steel with plating, which reads light in the hand and wears through at the lugs and crown. A jeweler's XRF or acid test settles the question in minutes.
What do the dial, hands and printing look like?
IWC dials show raised applied indices, a clean lacquer or sunburst finish, and hands with polished bevels in the correct blued or rhodium tone. Fakes show fuzzy text, off-center printing, flat hands, and subdial rings that sit crooked. The sapphire should kill glare without leaving a blue haze.
What should the movement finish show?
Through the sapphire caseback you want Geneva stripes, polished bevels, engraved IWC branding, and a matching reference and movement number. Fakes carry unfinished bridges, wrong fonts, and often no jewel count at all. Serial numbers should match the papers and return a record with IWC.
Why does the price tell you so much?
Genuine IW544718 examples sell in the tens of thousands of dollars and higher depending on metal, dial and completeness. Anything offered far below market, or from a seller who refuses escrow and independent authentication, is a counterfeit or a stolen watch. Replica listings at a few hundred dollars are a different product entirely and will not match the movement.
What should you check before buying?
- Request sharp photos of the tourbillon cage, caseback engraving, and hallmarks.
- Confirm the reference and serial with IWC or an authorized service center.
- Insist on third-party authentication and escrow for any precious-metal purchase.
- Compare the spec sheet: diameter, thickness, water resistance, power reserve, and strap.
Common questions
Is a fake IW544718 worth buying?
Only if you accept a decorative dial feature and plated metal at a replica price. If the tourbillon is the reason you want the watch, a fake will not deliver it.
How much does a genuine IW544718 cost?
Precious-metal Portuguese tourbillons trade in the tens of thousands of dollars, with auction results shifting by dial, box, and papers.