What is a replica IW371747?
A replica IW371747 is a counterfeit copy of the IWC Portugieser Chronograph reference IW371747, a 41 mm stainless steel automatic chronograph with the chronograph minutes counter at 12 o'clock and running seconds at 6 o'clock. Realistic copies sell for about $250 to $700, while quartz-driven budget copies sit under $150. The vertical bi-compax layout is the reason this reference is harder to fake well than a plain three-hand watch.
Because the reference uses a narrow bezel and an open dial, every proportion is visible at arm's length. Subdial spacing, hand length, and case thickness are the details buyers notice first.
What does the genuine IW371747 look like?
The genuine watch belongs to IWC's Portugieser Chronograph family, so the core specs below are the benchmark any replica is measured against.
- Case: 41 mm stainless steel, roughly 12.3 mm thick, slim lugs, thin bezel.
- Movement: IWC calibre 69355 automatic chronograph, about 46 hours of power reserve.
- Dial: two subdials stacked vertically at 12 and 6, no date window, applied numerals, long leaf hands.
- Crystal: sapphire front and back, anti-reflective coating on both faces.
- Strap: alligator leather with a steel pin buckle on most editions.
Dial colors and strap combinations vary by edition, so confirm the exact variant before comparing photos. A replica listed as IW371747 with a date window at 3 o'clock is wrong at the layout level, not just the finish level.
How much do replica IW371747 watches cost?
Price tracks movement type and finishing far more than it tracks the seller's marketing copy.
- Under $150: quartz or low-grade automatic, printed dial, mineral glass, wrong case thickness.
- $200 to $350: mid tier with a modified automatic chronograph, sapphire crystal, decent dial printing.
- $400 to $700: top tier with corrected subdial spacing, decorated movement, proper AR coating, engraved caseback.
Anything above roughly $800 for a steel chronograph copy is a markup play, not a quality jump. Ask for a movement photo before paying in the top tier.
Which movement does a good replica IW371747 use?
A convincing copy needs subdials at 12 and 6 with running seconds at 6, which most off-the-shelf automatic chronographs do not deliver. Factories solve this with a modified automatic chronograph movement, often a 7750-family base with the small-seconds position altered, or a purpose-built clone.
Watch the small seconds hand for ten seconds. A steady sweep points to mechanical; a one-tick-per-second jump means quartz and the watch is not worth a mid-tier price.
What should you check before buying?
- Case thickness near 12.3 mm, not a chunky 14 mm slab.
- No date window, and no leftover date aperture in the dial printing.
- Subdial hands long enough to reach the printed track.
- Crystal clarity with a faint blue or purple tint from the AR coating.
- Pushers that click and reset cleanly, crown with crisp threads.
- Caseback engraving that is deep and even, not laser-etched and shallow.
- Strap stitching, buckle weight, and the feel of the leather.
How do you spot a low-grade replica IW371747?
Flat printed numerals instead of applied markers, a milky crystal, and a rattling rotor are the three fastest tells. Misaligned subdials or a seconds hand that sits off-center usually mean the movement was not designed for this dial layout.
Weight matters too. A steel chronograph copy that feels hollow or unusually light typically hides a thin case and a cheap movement.
Can a replica IW371747 be serviced or repaired?
No authorized watchmaker will touch it, and IWC will not supply parts for a counterfeit. Independent shops may service generic movements, but parts for modified calibers can be hard to source, and water resistance drops after any case opening.
Treat the watch as disposable beyond its warranty window. That reality belongs in the budget when comparing a $500 copy against a legitimate watch at the same price.
Is buying a replica IW371747 legal in the US?
No. Trafficking in goods that carry a counterfeit trademark is illegal in the United States, and shipments are subject to seizure at the border. Reselling a replica as genuine adds fraud exposure on top of trademark exposure.
The practical risks go beyond the legal ones: no resale value, no brand service, and no recourse if the seller disappears after payment.