Short answer
A replica Portugieser Hand-Wound 42 is a counterfeit copy of the IWC Portugieser Hand-Wound 42, reference family IW3583. The genuine watch uses a 42.3 mm case, a small seconds sub-dial at 6 o'clock, the hand-wound calibre 82200, and a 60-hour power reserve. Replicas reproduce the silhouette and the dial layout. They do not reproduce the movement architecture, the finishing standard, or factory service support. Judge a replica listing on four things in this order: case finishing, sub-dial printing, hand shape, and caseback engraving depth.
Genuine reference points to compare against
- Case diameter: 42.3 mm, with a slim bezel and long, straight lugs
- Dial: clean, silver-plated or coloured, applied numerals, no date window
- Sub-dial: small seconds at 6 o'clock, with a fine snailed track
- Movement: calibre 82200, hand-wound, Pellaton winding system, 60 hours
- Crystal: box-shaped sapphire, domed, with visible edge distortion at angles
- Caseback: sapphire display back with engraved reference and serial
What replica versions usually get right
Current replicas of this reference handle the overall proportions well. The 42 mm case reads correct on the wrist, the lug curve sits close to the original, and the dial layout places the sub-dial where it belongs. Most versions also copy the box crystal profile, which is the single most recognisable visual cue of the Portugieser line. Under a metre of distance, on a wrist, a decent replica will pass as the real thing to almost anyone who is not holding it.
Where replicas fall short
- Movement: most replicas run a decorated automatic or a generic hand-wound calibre, so the winding feel and the bridge layout are wrong through the display back
- Sub-dial printing: the track lines are usually thicker and less crisp than the original
- Hands: leaf-shaped hands often show flat polishing instead of the genuine faceted, mirror-finished edges
- Case finishing: brushed surfaces can be coarser, and the transition between brushed flanks and polished bezel is softer
- Crown: action is light and gritty rather than positive, and the engraved logo is shallow
- Engraving: caseback text is laser-etched rather than deep-engraved, so it looks grey under a loupe
Inspection steps before you commit
- Ask for a straight-on dial photo in daylight and check that the sub-dial sits exactly on the 6 o'clock axis.
- Zoom on the sub-dial and confirm the printed track lines are continuous and even in weight.
- Request a side profile shot and compare the lug thickness and the bezel step to the genuine reference.
- Ask for a macro shot of the hands and look for faceted edges catching light along their full length.
- Request a caseback photo and read the engraving: sharp and deep is good, grey and shallow is not.
- Ask for a short video of the watch being wound and confirm the crown turns smoothly with no grinding.
- Ask the seller to state the movement inside in writing, and treat vague answers as a refusal.
- Confirm the return window and the payment method before any money moves.
Legal and resale reality
Selling a counterfeit watch as genuine is trademark infringement and fraud in the United States, and US Customs can seize counterfeit goods at import. If you buy a replica, keep the receipt that identifies it as a replica, never list it as an IWC, and disclose its status in any resale. Attempting to pass it off at a pawn shop, an auction, or a watch forum carries real legal exposure and gets you banned from most collector communities.
Ownership expectations
Budget for a watchmaker who will service a generic movement, because IWC will not touch a counterfeit and authorised service centres will refuse it. Expect the crystal to pick up scratches faster than sapphire on the genuine watch, and expect water resistance to be nominal at best. Wear it as a look, not as an heirloom, and the value equation stays honest.