Start with the case and movement, not the photos. A fake Portugieser 39mm is worth considering only if the seller gives you clear measurements and a movement description. Ask for the actual case diameter, thickness, lug width, and whether the watch runs on an automatic or quartz movement. If the seller cannot answer those basics, walk away. The 39mm Portugieser is a dress watch with a clean dial, so small errors in proportion and printing are easy to see in person. Buy the version that matches the original layout, not the one with the most features.

What to check before you buy

  • Case size: Confirm 38.5mm to 39.5mm across the case, excluding the crown. A 42mm case sold as 39mm will wear very differently.
  • Thickness: Expect roughly 9mm to 11mm. A thick case is a sign of a low-grade movement or poor case construction.
  • Dial printing: Look for sharp, evenly spaced numerals and a clean minute track. Blurry printing and uneven spacing are common on cheap replicas.
  • Hands: The hour and minute hands should be proportionate and finish well. Check that the seconds hand moves smoothly on an automatic, not in one-second ticks.
  • Caseback: Ask for a photo of the caseback engraving. Shallow or misspelled text is a red flag.
  • Strap: A stiff, shiny leather strap is a common cost-cutting sign. A good replica should take a standard 20mm strap.

Parameter bands that matter

Use these bands as a checklist, not a guarantee. The original Portugieser 39mm is a slim, understated watch, so the replica should feel the same on the wrist.

  1. Diameter: 38.5mm to 39.5mm
  2. Thickness: 9mm to 11mm
  3. Lug width: 20mm
  4. Movement: Automatic with a sweeping seconds hand; power reserve around 38 to 42 hours
  5. Water resistance: 30m to 50m at most; do not swim with it
  6. Crystal: Domed sapphire or mineral with anti-reflective coating; flat, cloudy glass is a downgrade

Common pitfalls

The biggest risk is buying from photos that hide flaws. Ask for a short video with the watch running, the crown being operated, and the dial turning in light. Check the date window if the model has one: the font and position should match the original layout. Avoid sellers who use 'Swiss made' as a selling point on a replica without explaining the movement. Also check the return policy and whether the seller ships from a location that creates customs problems for you. Finally, remember that counterfeit goods carry legal and resale risks; buy with that in mind.

FAQ

Is a 39mm fake Portugieser the same size as the original?

The original IWC Portugieser automatic 39mm uses a 39mm case, so a good replica should sit close to that. Measure the case across the back, not including the crown.

Should the replica have an automatic or quartz movement?

For this model, an automatic movement is the better match because the seconds hand should sweep. A quartz movement is cheaper but gives a ticking seconds hand that looks wrong on a dress watch.

Can I wear it in water?

Treat any replica as splash resistant at best. Do not swim or shower with it, even if the seller claims 50m water resistance.

How do I spot a low-quality fake?

Look at the dial printing, hand finish, case thickness, and strap quality. A low-quality fake often has blurry text, a thick case, and a stiff strap. Ask for close-up photos and a video before you pay.

Is buying a fake watch legal?

Rules vary by country. Counterfeit goods can be seized by customs, and buying or reselling them may carry legal risk. Check your local rules before you buy.