A replica IW371470 is a copy of the IWC Portugieser Chronograph, a 40.9 mm stainless steel watch with two subdials at 12 and 6 and a chronograph movement based on the Valjoux 7750. Replica builds run from roughly $80 for a quartz version to $400 or more for an Asia 7750 super clone with a decorated rotor. The movement inside, not the dial color, decides most of the price and most of the risk.
What is the IWC IW371470?
The IW371470 belongs to the IWC Portugieser Chronograph family, a line with a 40.9 mm case, a slim bezel, and a clean two-counter dial. The genuine version uses IWC calibre 79350, a 28,800 vph automatic derived from the ETA Valjoux 7750, with about 44 hours of power reserve. IWC offered the reference family in several dial, numeral, and strap configurations, so confirm which variant you actually want before ordering.
What movement should a replica IW371470 have?
Nearly every serious replica uses one of three movements, and the choice shapes thickness, feel, and price.
- Asia Valjoux 7750 (A7750): the correct base architecture, with running seconds at 6 and a 30-minute counter at 12. Best match for hand feel and winding.
- Seagull ST19 or similar manual chrono: smoother pusher action, but the wrong winding system and often a different case thickness.
- Quartz: cheapest tier. Subdials are usually decorative or sweeping in steps, and the sweep of the chrono hand gives it away immediately.
A decorated rotor and engraved bridges mean nothing on their own. Ask for a movement photo and a short video of the chronograph start, stop, and reset.
How do you spot a cheap replica IW371470?
Dial printing is the fastest tell. On a good build, the "IWC" and "SCHAFFHAUSEN" text sits crisp and level, with no fuzzy edges or uneven spacing between letters. Check the subdial rings, the date aperture at 3, and the applied numerals for polish and alignment.
Case finish matters next. Look for sharp lugs, a clean transition between brushed and polished surfaces, and a sapphire crystal with a faint blue anti-reflective tint. A domed mineral crystal with a heavy purple glare is a budget sign.
Finally, check the subdial spacing. On a correct 7750 layout, the two counters sit far apart in the classic Portugieser arrangement. If they crowd the center, the case was built around a smaller or mismatched movement.
What does a replica IW371470 cost?
- $70 to $120: quartz or low-grade automatic, mineral glass, stamped clasp.
- $150 to $250: entry A7750, decent dial, average bracelet or strap.
- $300 to $500: super clone tier, correct thickness, sapphire crystal, real leather strap, cloned clasp.
Prices above the top tier usually reflect dealer markup rather than better hardware. Genuine pre-owned IW371470 listings sit in the low thousands, which is the real comparison point.
QC checklist before you approve shipping
- Timegrapher photo showing rate, amplitude, and beat error.
- Chronograph running, stopped, and reset on video.
- Date flip tested at midnight, not just set by hand.
- Dial centered, hands aligned, no dust under the crystal.
- Case back engraving depth and serial placement.
- Strap or bracelet stitching and clasp action.
Reject the watch if the dealer refuses any of these. A refusal is the answer.
Is a replica IW371470 worth it?
It is worth it if you want the Portugieser look on a small budget and you accept that the watch has no service network, no warranty, and no collector value. It is not worth it if you plan to resell it or pass it off as genuine, which is illegal in most countries. Buy from a dealer with a QC process, pay with a method that offers protection, and treat the watch as what it is.