A replica IW371775 is a copy of the IWC Portugieser Chronograph, a 41 mm steel watch with a slim bezel, twin vertical registers at 12 and 6, and a date window at 3. Replica quality spans roughly $150 to $650. Cheap versions use printed subdials and a thin plated case; top tiers use a clone 69355-style movement, a functional chronograph, sapphire crystal, and applied numeral markers. Judge a replica on movement, dial printing, and case thickness, not on seller photos.
What is the replica IW371775?
The reference belongs to the Portugieser Chronograph family, IWC's dressy two-register chronograph with a clean, rail-track dial. The replica market treats it as a mid-tier build: more complex than a three-hand Datejust copy, simpler than a skeleton tourbillon. Most factories build it in stainless steel with a display caseback.
- Case: 41 mm stainless steel, roughly 12.5 to 13.5 mm thick depending on movement
- Dial: silver-plated or white lacquer with applied Arabic numerals and feuille hands
- Layout: running seconds at 6, chronograph minutes at 12, date at 3
- Crystal: sapphire with anti-reflective coating on better builds
- Strap: alligator-grain leather, usually with a steel pin buckle
How close is a good replica to the genuine watch?
A top-tier replica reads correctly on the wrist at arm's length. The gaps appear under a loupe or under direct sun, where printing crispness and polishing sharpness separate tiers. Expect the replica to feel 90 percent right in daily wear and 70 percent right to a trained eye.
Dial and subdial details
The genuine dial has raised, faceted numerals and hands with a clean cut. Replicas often use flat stamped markers with softer edges and slightly thicker printing on the track. Check that the subdial hands sit level with the dial and that the date font matches the reference window shape.
Case, crystal, and finishing
Genuine Portugieser cases have crisp transitions between brushed flanks and polished lugs. Replicas with heavier polishing lose that contrast, and the lugs can look slightly rounded. A good build adds a proper box-domed sapphire and a caseback that seats flush without a visible gap.
Movement and chronograph feel
Early and budget replicas run an Asian 7750 derivative, which adds about 1 mm of case thickness and a coarser pusher feel. Better builds use a clone of the in-house 69355 layout with a column-wheel-style chronograph and vertical clutch behavior. Press the pushers: a solid build starts and stops cleanly with a firm click, and the reset snaps back to zero without drift.
What do the quality tiers cost?
- Entry tier, about $120 to $200: non-working or faux subdials, mineral glass, plated case, painted numerals. Avoid.
- Mid tier, about $250 to $400: working 7750 chronograph, stainless case, decent dial print, mineral or basic sapphire.
- Top tier, about $450 to $650: clone in-house movement, sapphire with AR coating, applied markers, correct case thickness, proper strap hardware.
Price alone does not guarantee quality. A $300 build from a strong factory beats a $500 build from a weak one, so compare dial macro shots and movement photos before paying.
Which flaws give away a cheap replica?
- Subdials that are glued shut or run the wrong functions.
- Case thickness above 14 mm, which sits visibly tall on the wrist.
- Flat, painted numerals instead of applied metal markers.
- Crooked date alignment or a font that fills the aperture.
- Hands with rough edges or uneven luminous fill.
- Caseback engraving that is shallow or misaligned.
Frequently asked questions
Does the chronograph work on a replica IW371775?
On mid and top tiers, yes. The seconds hand at 6 runs constantly, the center seconds hand is the chronograph, and the 12 o'clock subdial counts elapsed minutes. Entry-level copies often freeze those hands in place.
Is a replica IW371775 accurate in size?
Top builds match the genuine 41 mm diameter and sit within a fraction of a millimeter on thickness. Budget builds with a 7750 movement usually run 1 to 1.5 mm thicker, which changes the wrist profile.
Is it a good everyday watch?
It works as a dress-casual piece with decent water resistance for splashes only. Do not swim with a replica, since caseback gaskets and crown seals are rarely tested. Service costs can exceed the purchase price if the chronograph fails.
What should I check before buying?
Ask for a video of the chronograph starting, stopping, and resetting. Request macro shots of the dial print, date window, and caseback. Confirm the movement type and whether the crystal is sapphire. Replicas are counterfeit goods, and import rules vary by country, so check local law before ordering.