The replica IW371646 copies the IWC Portugieser Chronograph, a 41 mm stainless steel watch with a column-wheel chronograph movement, sub-dials at 12 and 6 o'clock, a date at 3 o'clock, and 3 bar (30 m) water resistance. A replica worth the money matches the 41 mm case, the roughly 13 mm thickness, the domed sapphire crystal, and the feuille hands. If a listing shows 10 mm thickness, a 44 mm case, or sub-dials at 9 and 3, it is a generic chronograph wearing an IWC reference number.
What is the genuine IW371646?
The reference belongs to the IWC Portugieser Chronograph 3716 line, which replaced the long-running 3714 series. It uses the in-house calibre 69355, an automatic chronograph with a column wheel, a 4 Hz beat rate, and about 46 hours of power reserve. The dial has applied Arabic numerals, a railway minute track, and two recessed counters, one for running seconds and one for elapsed minutes.
Case finishing mixes a polished bezel with brushed flanks, and sapphire covers both the dial and the display back. IWC lists each variant, including dial color and strap, under its own reference number.
Which specs decide replica quality?
- Case: 41 mm wide, about 13.1 mm thick, 20 mm lug width.
- Glass: domed sapphire with anti-reflective coating, sapphire caseback.
- Dial: sub-dials at 12 and 6, date at 3, no extra printing.
- Hands: feuille shape, correct finish for the dial variant.
- Movement: automatic chronograph with decorated rotor and bridges.
- Strap: alligator-grain leather or a steel bracelet with the correct clasp type.
How do you spot a low-grade replica IW371646?
Cheap copies fail on proportion before they fail on detail. The sub-dials sit too close together, the date window is oversized, and the printing looks soft under a loupe. Pushers feel gritty, the crown is too small, and the caseback engraving is shallow.
- Sub-dial spacing: genuine counters sit far apart, near 12 and 6.
- Date font: thin and small, never bold or centered in a large frame.
- Weight: a steel case with a metal movement should feel dense, not hollow.
What movement do replica IW371646 watches use?
Most replicas run a Seagull ST19 or a modified 7750 clone, and neither copies the 69355 architecture. Mid-tier builds add a decorated rotor and blued screws. Top-tier builds may use a column-wheel chronograph module, but the bridge shapes rarely match the genuine layout.
How much should a replica IW371646 cost?
Entry copies sit near $150 to $300, mid-tier builds near $350 to $600, and better finished examples near $700 to $1,200. Price alone does not prove quality, so compare photos of the dial, the caseback, and the movement before paying. A seller who refuses detail shots is not worth the risk.
Is buying a replica IW371646 legal in the US?
US law bars the sale and import of goods carrying a counterfeit trademark, and customs officers can seize shipments. Personal possession is a separate question from import, and enforcement usually targets sellers and bulk shipments. Buyers should weigh that risk before ordering from overseas.
Frequently asked questions
Does a replica IW371646 hold its value?
No. Replicas have no collector market and lose most of their resale value.
Can a watchmaker service a replica IW371646?
Many independent shops service common chronograph movements, but parts for cloned or decorated calibres are harder to source.