Answer
The replica IW545187 is a counterfeit copy of an IWC watch. IWC is a Swiss maker based in Schaffhausen. The brand puts the IW prefix on every reference number. Replicas of this reference ship from factories in Guangzhou and Foshan and sell for $150 to $500. No replica carries an IWC movement. Most builds use a Seagull ST21, a Hangzhou 6-series, or a Miyota 9015. Case steel is 316L on most listings. Total weight runs 20 g to 40 g under the genuine watch. IWC does not list this reference on its current public catalog page, so confirm case size, dial layout, and movement type before you pay.
Spec sheet checks
- Case diameter in mm. Sellers round up. Measure with calipers.
- Lug width. Common values are 20 mm, 21 mm, and 22 mm.
- Case thickness. Thin cases hide a date wheel offset.
- Dial layout. Subdial spacing and date window position must match the reference photo.
- Hands. Shape, length, and finish matter more than dial print.
- Case back. Engraving depth and font. Laser etching looks flat.
Movement
Ask the seller for the movement name in writing. A Seagull ST21 beats at 28,800 vph and holds a 40-hour reserve. A Miyota 9015 runs at the same rate and costs more. Quartz builds sell for $60 to $120 and use a plastic spacer. A rotor that spins loud, a crown that feels gritty, and a date that flips at 23:50 are signs of a low-grade unit.
Case and finish
Check finishing between the lugs and on the case flank. Genuine IWC uses brushed flanks with polished bevels. Cheap replicas leave tool marks in the bevel. Sapphire crystal with inner anti-reflective coating costs more and reads black at an angle. Mineral glass reads grey.
Price tiers
- $80 to $150: quartz or low-grade automatic, mineral glass, folded clasp, plating that wears through in months.
- $150 to $300: Seagull or Miyota automatic, sapphire crystal, solid link bracelet.
- $300 to $500: decorated rotor, better anti-reflective coating, closer dial print and case profile.
US legal status
Import of a counterfeit watch into the US violates 19 U.S.C. 1526. CBP can seize the parcel and destroy it. Selling a watch with an IWC mark is trademark infringement under the Lanham Act. Resale value is zero. Warranty service comes from an authorized dealer, not a replica seller.
Water resistance and service
Factory gaskets on replicas are silicone or nitrile and harden in 12 to 24 months. Pressure test before swimming. A movement service from an independent watchmaker costs $60 to $120. A gasket set costs $10 to $25. Parts for clone movements are not stocked by IWC service centers.