A fake Portofino Automatic 42 is a replica of IWC's 42mm three-hand dress watch, and the best versions copy the slim case profile, the silver-plated or sunburst dial, the applied baton indices and the date window closely enough that only a loupe or an opened caseback gives it away. Quality spans a wide range: budget copies use printed dials and plated brass cases, while top-tier 1:1 replicas use 316L stainless steel, sapphire crystal with anti-reflective coating, and a Swiss-clone or Japanese automatic movement. Price tracks that gap almost one to one.

What defines a good fake Portofino Automatic 42?

Case geometry comes first. The genuine watch is a thin dress piece, roughly 9 to 10mm thick with a 20mm lug width, and cheap replicas add 1.5 to 2mm of slab-sided bulk that ruins the line on the wrist. A good fake keeps the caseback thin, the lugs tapered, and the bezel edge polished to a mirror without rounding the corners.

Dial execution is the second filter. Look for applied indices with polished facets, a correctly sized date aperture at 3 o'clock, and leaf-shaped hands that reach the minute track without overhanging it.

Which movement should you expect inside?

Three tiers dominate the market, and the movement is usually the clearest price signal.

  • Entry tier: a 21-jewel Chinese automatic, often noisy rotor, 38 to 42 hours of reserve, no hacking on older examples.
  • Mid tier: a Miyota 9015 or Seagull ST2130, both reliable, hackable, and easy for any watchmaker to regulate.
  • Top tier: an ETA 2892-A2 clone or a decorated Swiss-clone 35111-style caliber with proper perlage and a signed rotor.

Ask the seller for a movement photo before paying. A decorated rotor under a solid caseback is a marketing claim, not a specification.

How much should a fake Portofino Automatic 42 cost?

Expect roughly $90 to $180 for entry copies, $250 to $400 for mid-tier builds with sapphire and a Miyota, and $450 to $750 for 1:1 examples with a clone Swiss movement and hand-finished case work. Anything far below that range usually hides a plated case or a printed dial.

What are the tell-tale flaws to check?

  1. Dial printing: genuine text is crisp and slightly raised; fakes show fuzzy edges or wrong font weight.
  2. Date font and alignment: a window that sits low or shows a thin, generic numeral is an instant fail.
  3. Caseback engraving: shallow laser etching instead of deep, clean stamping.
  4. Crystal clarity: no blue tint, no haze at the edges, and a visible anti-reflective effect under angled light.
  5. Strap quality: flimsy alligator-embossed leather with raw edges versus supple, stitched leather.

Is a replica Portofino Automatic 42 water resistant?

Treat it as splash resistant only. The genuine watch is rated to about 30 meters, and replicas frequently skip proper gasket seating, so swimming or showering risks fogging the dial. Have a watchmaker pressure test any replica before you trust it near water.

Can a jeweler tell it is a fake?

Yes, quickly, if the caseback comes off. A trained eye reads the movement finish, the balance bridge shape, and the engraving depth in under a minute. On the wrist, the giveaway is usually case thickness and the feel of the crown threads.

What should you ask before buying?

Request natural-light photos of the dial, a shot of the movement with the caseback removed, the measured case thickness, and the actual lug-to-lug length. Sellers who cannot supply those four items are not selling a top-tier build.