Replica iw371788 is a counterfeit version of an IWC Portugieser chronograph reference, sold by replica sellers as a "1:1 super clone" of the original. It is not produced, authorized, or serviced by IWC Schaffhausen, and in the United States it is unlawful to import or sell as a counterfeit good.
What the Replica IW371788 Copies
The genuine Portugieser chronograph behind this reference number belongs to IWC's oldest design family: a round steel case around 41 mm, a narrow bezel, a railway-track minute ring, applied Arabic numerals, and leaf-shaped hands. The chronograph layout places a 30-minute counter at 12 o'clock and running seconds at 6 o'clock, which keeps the dial open and readable.
Reference numbers in the IW3717xx range appear in IWC's own catalog with fixed dial colors, strap options, and movements, and each number maps to one exact configuration. Replica listings use those numbers loosely, so the same iw371788 label can describe watches with different dials, case backs, and movements from one seller to the next. Checking the number against IWC's official reference list is the first step in knowing what a listing claims to be.
How These Watches Are Built
- Movement: most copies use an Asian chronograph caliber or a modified clone of a Swiss design. A few sellers offer a genuine Swiss movement, which raises the price and makes the claim harder to verify.
- Case: 316L stainless steel in most cases, with polished and brushed surfaces that may not match the original mix.
- Crystal: sapphire is claimed by most sellers; mineral glass with a coating shows up on cheaper examples.
- Dial: printed numerals and applied markers vary in thickness and finish, and subdial rings are often stamped instead of recessed.
- Strap: leather or rubber, with clasps that rarely match the original hardware.
Details That Give a Replica Away
- Subdial spacing and position, which follow the movement rather than the original layout.
- Date window shape, font, and alignment.
- Case thickness, often 1 mm or more deeper than the genuine watch.
- Crown and pusher shape, engraving, and the feel of the screw-down threads.
- Case back engraving depth and font.
- Winding feel, rotor noise, and timekeeping consistency.
Legal and Practical Risks
Counterfeit watches that carry a protected trademark can be seized at the border and destroyed, and selling them exposes a seller to civil and criminal penalties. Buyers face their own set of problems: no manufacturer warranty, no authorized service, no parts support, and almost no resale value. Payment is often made through methods without chargeback protection, and sellers disappear or change storefront names.
Questions Worth Asking First
- Does the reference number match a real IWC configuration?
- Which movement is inside, and who can service it?
- What is the actual case thickness and diameter?
- What happens if the watch arrives damaged or stops running?
If a listing answers none of these questions, the replica iw371788 name on it tells you very little about what will arrive in the box.