The replica IW371446 is a counterfeit copy of the IWC Portofino Chronograph reference IW371446, a 42 mm stainless steel automatic chronograph made by IWC Schaffhausen. Copies reproduce the case shape, dial layout, and IWC branding, but run on third-party movements and lower-grade finishing. The genuine watch sells for thousands of dollars, which is the main reason it is counterfeited at all.
What is the IWC Portofino Chronograph IW371446?
The IW371446 is a real IWC reference: a Portofino Chronograph in stainless steel with a 42 mm case, a sapphire crystal, and a leather strap. It uses IWC caliber 79320, an automatic chronograph based on the Valjoux 7750 architecture. Production of the 3714 series Portofino Chronograph has ended, so the reference now trades mainly on the secondary market.
What movement does the genuine IW371446 use?
Caliber 79320 beats at 28,800 vibrations per hour and offers about 44 hours of power reserve. The dial uses the classic Valjoux three-register layout: a 30-minute counter at 12 o'clock, a 12-hour counter at 6 o'clock, and running seconds at 9 o'clock, with a day and date display at 3 o'clock.
Why is the IW371446 copied so often?
The Portofino is one of IWC's simplest and most recognizable designs, so a counterfeit dial is easier to print than a complicated perpetual calendar. The three-register chronograph layout also matches common, cheap movements, which makes cloning the look practical. High brand recognition plus a simple dial equals a frequent target.
How can you tell a replica IW371446 from the real watch?
No single check is decisive, but the following points expose most counterfeits quickly. Compare a candidate watch against several of them before you decide.
- Subdial positions. On the genuine 79320 movement, running seconds sit at 9 o'clock. Copies built on other movements often shift the registers or make one subdial decorative.
- Day and date. Genuine day and date discs align cleanly in the aperture and change together. Replicas frequently show misaligned text or a date-only window.
- Case finishing. IWC alternates brushed and polished surfaces with sharp, clean transitions. Copies show soft edges, uneven brushing, and polished areas that should be brushed.
- Dial printing. Text on the genuine dial is crisp under magnification, with even spacing. Counterfeit printing looks heavy, smeared, or slightly off-center.
- Caseback engraving. The reference number, serial, and brand markings are cut deeply and evenly on the real watch. Laser-etched copies look shallow and faint.
- Weight and thickness. A steel Portofino Chronograph feels substantial. Many replicas are lighter or thicker because the case and movement differ.
- Price. A new or like-new IW371446 offered far below market value is counterfeit, no exceptions.
Is buying a replica IW371446 legal in the United States?
Trademark counterfeiting is illegal under 18 U.S.C. 2320, and US Customs and Border Protection can seize and destroy counterfeit watches at the border. The personal-use exemption that applies to some copyrighted goods does not cover trademarked items, so a replica shipped from overseas can be confiscated. Sellers and importers also face civil liability under the Lanham Act, which allows trademark owners to recover damages and profits.
What does "Swiss replica" mean for an IW371446?
"Swiss replica" is a marketing label, not a manufacturing standard or a protected designation. Counterfeit operations source most components from Asia, assemble them in various locations, and apply the term to suggest quality they cannot document. Claims such as "1:1 clone" or "identical to genuine" are unverifiable, because no counterfeit is inspected or certified by any authority.
Frequently asked questions
Is the IW371446 a genuine IWC reference number?
Yes. IW371446 is an authentic IWC reference for a stainless steel Portofino Chronograph. The reference number itself is real, which is why counterfeit listings use it for search visibility.
What is a genuine IW371446 worth today?
Pre-owned examples usually trade in the low thousands of dollars, with condition, box, and papers affecting the final figure. Because the model is discontinued, prices depend on the secondary market rather than a current retail price.
Will IWC service a replica IW371446?
No. IWC service centers do not accept counterfeit watches, and they will not authenticate or repair one. Independent watchmakers may also decline because counterfeit parts are not interchangeable with genuine components.
Do replica IW371446 watches hold value?
No. Counterfeit watches have no recognized resale market, no service support, and no warranty. The money spent on one is not recoverable through resale.