Fake Portugieser 42mm: The Short Answer
A fake Portugieser 42mm is a replica of IWC's Portugieser family built into a case that measures about 42mm across. That number matters more than most buyers expect, because IWC does not sell a watch called the "Portugieser 42." The Chronograph sits at 41mm. The Portugieser Automatic 42 measures 42.3mm. The Perpetual Calendar 42 is 42.4mm. The older Chronograph Classic used a 42mm case. So a listing advertising a 42mm fake Portugieser is pointing at one of those, or at a 41mm chronograph the seller measured with a ruler and rounded up.
That distinction decides what you actually receive. A 41mm chronograph replica and a 42.3mm Automatic replica share a name and a dial language. They do not share movements, case profiles, or dial layouts, and the good versions of each are not built to the same standard.
Why Size Comes First
Replica makers rarely nail case dimensions, and they count on buyers never putting calipers on the watch. I check three numbers before anything else: diameter, thickness, and lug to lug. A genuine Portugieser Automatic 42 is thin for its size, and the narrow bezel paired with long lugs makes it wear larger than 42mm suggests. Most fakes run thick, because the movement inside is a stock or lightly modified unit that needs the extra height.
Case and profile
Look at the bezel width. On the real watch it is a thin ring, and the dial dominates. Cheap replicas thicken the bezel to hide sloppy crystal fitting. Check the lug shape as well. Portugieser lugs curve down and taper, and they should sit close to the wrist instead of sticking out straight. Caseback engraving is another giveaway. Reference numbers, case material marks, and the serial should be crisp and shallow, not deep stamps that look melted.
Dial and hands
The Portugieser dial is all about space. Applied numerals, a rail track, and on the Automatic a small seconds at 9 and a power reserve at 3. Fakes often place subdials slightly off center, or print the rail track too heavy. The feuille hands are another spot to study: they should be leaf shaped with a clean taper, not fat paddles. On the Perpetual Calendar copies, the four subdials are where things fall apart. Spacing drifts, and the moon phase disc looks flat because the printing is low resolution.
Movement
Here is where the money goes. IWC's in-house chronograph calibers use a column wheel and a vertical clutch, and the finishing is visible through a sapphire caseback. A top replica may use a modified Asian 7750 with a decorated bridge plate designed to imitate that look. It will not have a real column wheel. That is fine if the price reflects it. It is not fine if the seller calls it a Swiss movement and charges accordingly.
Crystal, strap, hardware
Genuine Portugieser crystals carry anti-reflective coating on both faces, which is why the dial looks almost invisible from most angles. Cheap fakes coat one side or none, so you get glare and a grey cast. Straps on real models are alligator with a signed pin buckle or folding clasp. Replica straps are usually embossed leather with a stamped buckle, and the stamping is shallower than the real thing.
The Tiers You Will Run Into
- Quartz and budget automatic: wrong thickness, printed rather than applied markers, mineral glass, no meaningful caseback detail. Sells for the price of a decent dinner.
- Mid tier: correct diameter, decent dial printing, a stock automatic movement. The proportions are close enough at arm's length. Subdials and hand shape still give it away.
- High end clone: case dimensions within a fraction of a millimeter, sapphire crystal with double coating, decorated movement, genuine-style strap. This is the tier people mean when they talk about super clones, and it is where most of the risk sits, because sellers price these close to each other with wildly different quality.
What I Check in Person
- Measure the case with calipers. Not a ruler, not a photo comparison.
- Check thickness against the published spec for the exact reference being copied.
- Turn the watch over and look at the movement through the caseback. If the rotor spins freely and noisily, it is a stock unit.
- Look at the dial under a lamp from a low angle. Glare and a grey tint mean single-sided coating or none.
- Check the crown action. A genuine screw-down crown threads smoothly and seats flush.
Price Expectations and Red Flags
Quality tracks price in this market, but not perfectly. The same factory output gets sold under several names at different markups, so a low price is not proof of a bad watch, and a high price is not proof of a good one. What I treat as a red flag is insistence. Sellers who refuse close-up macro photos of the dial, the caseback, and the crown are telling you something. So are listings that mix photos of two different references, or that quote a 42mm diameter while showing a 41mm chronograph dial.
Decide which reference you want first. Then verify the dimensions of that specific reference against IWC's own published specs before you compare any replica to it. Most disappointments in this hobby come from buying a watch that copies the right name and the wrong model.