A fake IW371476 is a counterfeit version of the IWC Portugieser Chronograph from the 3714 reference family, a 41 mm stainless steel chronograph with two sub-dials and the IWC calibre 79350. Genuine watches carry a crisply engraved caseback, correct reference and serial markings, and a movement that beats at 28,800 vibrations per hour. Copies typically fail at least one of those three checks.
What is the IW371476?
The IW371476 is a reference in the IWC Portugieser Chronograph line, a family that has used the same core formula since the late 1990s. It pairs a 41 mm steel case with a slim bezel, leaf hands, and a dial split into a small seconds counter and a 30-minute chronograph totalizer. Water resistance is rated at 3 bar, which covers splashes but not swimming.
Inside sits the IWC calibre 79350, an automatic chronograph built on a Valjoux 7750 base with roughly 44 hours of power reserve. Because that base architecture is widely available in clone form, the 3714 family is a frequent target for counterfeiters.
How do you spot a fake IW371476?
Work from the outside in: dial, case, caseback, then movement. Most copies give themselves away before you ever open the back.
- Sub-dial layout. The genuine 3714 places the chronograph minutes at 12 and small seconds at 6, with the date at 3. Quartz and many low-cost chronograph copies shift those positions or drop the running seconds entirely.
- Dial printing. The brand name and crest should stay razor sharp under magnification. Blurry edges, thick strokes, or uneven spacing between the two text lines signal a copy.
- Hands. Leaf-shaped hands with clean polished flanks. Copies often show flat, thin, or over-polished hands.
- Date window. Sharp aperture edges, centered numerals, and a date wheel that snaps rather than drags.
- Case finishing. Brushed flanks with polished bevels that catch light in a straight line. Rounded or washed-out edges are a common copy flaw.
- Caseback engraving. Reference, serial, and material markings cut deeply and evenly. Shallow lasered lettering is a red flag.
- Movement. A 28,800 vph beat, a signed rotor, blued screws, and perlage or Geneva stripes. A 21,600 vph or quartz movement cannot be genuine.
- Feel. Pushers should click with firm, short travel. A mushy or long-throw pusher usually points to a cheap chronograph module.
Why do first copy IW371476 watches differ so much in quality?
First copy watches sit in tiers, and the IW371476 is no exception. Entry tier watches use quartz movements with printed dials and plated cases. Mid tier watches use Asian 7750 clones with decorated rotors and sapphire crystals. Top tier builds copy case dimensions, dial texture, and movement finishing closely enough that only a trained eye with a loupe spots the difference.
Price tracks those tiers almost directly. A basic quartz copy sells for under $100, mid tier runs $200 to $400, and the best 7750-based builds reach $500 or more.
What should you verify before buying?
- Real photos of the actual watch, not catalog renders
- A movement photo or short video showing the chronograph resetting cleanly to zero
- Case diameter and thickness measured with calipers
- Weight, since genuine steel 3714 watches feel substantial for their size
- Return policy and a payment method with buyer protection
Ask the same questions twice and compare the answers. Inconsistent specs are the fastest warning sign.
How much does a genuine IW371476 cost?
Genuine Portugieser Chronograph watches from the 3714 family typically trade between roughly $5,000 and $8,500 on the secondary market, depending on dial color, box and papers, and service history. That gap between a few hundred dollars and a few thousand is the entire reason the copy market exists.
Note that selling counterfeit watches is illegal in the United States, and US Customs can seize counterfeit goods at import. Buyers should understand the legal exposure before ordering.
Frequently asked questions
Is IW371476 a real IWC reference number?
Yes. It belongs to the IWC Portugieser Chronograph 3714 family, a long-running steel chronograph line.
Can a fake IW371476 look identical to the real thing?
No copy is identical on every axis. Sub-dial spacing, engraving depth, movement beat rate, and case finishing almost always reveal a difference under close inspection.
What is the biggest single giveaway?
The movement. A genuine 79350 beats at 28,800 vph with a signed rotor, while most copies run cheaper movements with a different beat rate or a different architecture.