Short answer
The replica IW371762 is a counterfeit of the IWC Portugieser Chronograph 41, a stainless steel watch with a 41 mm case and a two-counter dial. A good replica copies the case profile, the subdial positions, the dial print, and the crystal shape. It does not copy the in-house calibre 69355, the movement finishing, or the long term reliability. Prices for a replica that survives a side by side look run $180 to $800. Below $120 you are buying quartz or a low grade automatic with the wrong case shape.
Genuine specs to compare
You cannot judge a copy without the original numbers. These are the figures that matter when you inspect photos or handle the watch.
- Case: stainless steel, 41 mm diameter, about 13.1 mm thick, 20 mm lug width
- Movement: IWC calibre 69355, automatic, column wheel chronograph, 46 hours of power reserve, 28,800 vph
- Dial layout: running small seconds at 6 o'clock, 30 minute chronograph counter at 12 o'clock, no date window
- Crystal: domed sapphire with anti reflective coating on both faces
- Water resistance: 3 bar, which is splash resistance only
- Caseback: sapphire display back showing the movement
- Strap: alligator leather on a pin buckle, or a steel bracelet on some references
Genuine retail sits near $8,000 to $9,000 USD. IWC changes the reference suffix with dial color and bracelet choice, so pull the exact configuration from the brand catalog before you compare a seller's photos.
Replica tiers for this reference
Budget tier, $80 to $150
Mineral glass, stamped dial, painted subdials, quartz or a rough automatic. The case often measures 42 to 44 mm and the lugs are too thick. Skip it unless you want a beater.
Mid tier, $180 to $350
Meca quartz or a basic automatic. The case moves closer to 41 mm and the dial print improves. Chronograph pushers feel light and the reset snaps hard.
High tier, $400 to $800
Closest case dimensions, sapphire crystal, applied markers, a decorated automatic chronograph movement. This is the tier to target if you want the watch to pass a glance from two feet.
How to evaluate a replica IW371762 before you pay
- Ask for a case measurement with calipers in the photo. Anything past 13.8 mm thick reads wrong on the wrist.
- Check the subdial layout. Running seconds belong at 6 and the chronograph counter at 12. A running seconds hand at 9 is a dead giveaway.
- Compare hour and minute hand lengths against a genuine photo. Replica hands stop short of the minute track.
- Look at the dial print under magnification. The brand name and city text should be crisp with no bleeding or bold fonts.
- Ask for a photo of the crystal at an angle. Double sided AR shows almost no reflection; cheap glass throws a blue or purple sheen.
- Request a video of the chronograph start, stop, and reset cycle. The reset hand must snap to zero without creeping.
- Review the caseback engraving and the movement photo. Reference numbers, Swiss Made text, and jewel count should match the era of the genuine watch.
- Confirm the strap and clasp hardware. A stamped buckle exposes the watch faster than the dial does.
- Read the return policy and pay with a method that allows a dispute. No returns means no recourse.
Red flags
- Stock photos only, no timestamped images of the actual watch
- Price under $120 for a claimed automatic chronograph
- Swiss made claims on a $200 watch
- No movement photo, or a refusal to send one
- Water resistance claims of 50 m or more on a replica case
What the replica will not do
The calibre 69355 uses a column wheel and a vertical clutch, and no replica movement matches that feel. Pushers on a copy are soft, the rotor is loud, and the movement will need service or replacement within a few years. Bridge finishing and perlage are absent or machine applied in a way that looks flat under a loupe. Water resistance is the biggest gap. Even if the listing claims 5 bar, do not swim or shower with the watch, because the gaskets and caseback seating never see the testing a genuine case gets.
Legal and shipping notes
Owning a replica is not a crime in most US states, but selling one as genuine is fraud, and US Customs can seize counterfeit imports under trademark law. Check your local rules and expect a possible seizure notice on international orders.