A replica IW371424 watch is a copy of the IWC Portugieser Chronograph, a 41 mm steel watch with a 30-minute counter at 12 o'clock and small seconds at 6. Good replicas match the case profile, dial printing, and hand shape at arm's length. The weak spots are case thickness, chronograph feel, and the finish on the movement you never see.
Below: the real specs, the replica tiers, and the checks to run before you pay.
What are the specs of the IWC IW371424?
The reference sits in the Portugieser Chronograph family, a line built around a clean dial and a slim bezel. It runs a self-winding chronograph movement with a 44-hour power reserve and a 30-minute counter instead of a 12-hour one.
- Case: stainless steel, 41 mm wide, about 12.3 mm thick
- Lug width: 20 mm
- Crystal: domed sapphire with anti-reflective coating on both sides
- Dial: applied numerals, feuille hands, sub-dials at 12 and 6
- Water resistance: 30 m on the original
- Strap: alligator leather with a steel pin or deployant buckle
That 30 m figure is a splash rating, not a dive rating. It matters because replica listings often claim 50 m or 100 m with no gaskets to back the number up.
What replica IW371424 grades exist?
Replica chronographs land in three rough tiers, and the price tracks the movement, not the steel.
- Budget quartz: cheap, thin, and quiet. The chronograph hands snap instead of sweep, and the sub-dials can be decorative only.
- Mid tier with an A7750: a Chinese copy of the Valjoux 7750. Sweeping seconds, working chronograph, but the case runs thick and the rotor is loud.
- High grade: the same 7750 base with better finishing, a decorated rotor, sharper dial print, and a case that lands within a millimeter of the 12.3 mm target.
Ask which movement sits inside before anything else. A seller who cannot name it is not selling the top tier.
How do you check a replica IW371424 before buying?
- Request photos with calipers or a ruler next to the case. Thickness over 14 mm on a 41 mm dress chronograph reads wrong on the wrist.
- Study the sub-dial spacing. On the original, the counters at 12 and 6 line up with the printed track and leave even margins.
- Zoom on the dial print under bright light. Fuzzy edges, thick serifs, or a crooked IWC logo are the first tells.
- Ask for a video with the chronograph running. Start, stop, and reset should snap, and the pushers should feel firm.
- Check the depth of the caseback engraving and the font used for the reference number.
- Confirm the strap material and buckle type in writing before you send money.
Ask for a video shot in daylight, not a studio render. Renders hide polishing flaws and dial texture.
How thick is a replica IW371424, and why?
Most A7750 replicas land between 13.5 mm and 14.5 mm. The movement stack plus a caseback spacer adds height the original does not carry. Quartz versions come closer to 11 mm, but the seconds hand then jumps, which anyone who knows the reference will spot.
Replica vs genuine: where the differences show
- Movement: the original uses a modified IWC caliber with a 44-hour reserve. Replicas use a 7750 base rated near 40 hours at best.
- Finishing: genuine bridges get Geneva stripes and blued screws. Replicas range from rough to well-decorated.
- Weight and balance: steel is steel, so mass is close, but a thicker caseback shifts the center of gravity on the wrist.
- Service: any watchmaker can service a 7750 base. The genuine caliber costs far more to repair.
- Water resistance: treat a replica as splash proof at most.
What do replica IW371424 watches cost?
Prices move with the movement and the finishing, not with the name printed on the dial.
- Quartz: about $60 to $120
- Mid tier A7750 on leather: about $250 to $450
- High grade with a decorated movement and sapphire crystal: about $500 to $900
Sellers far below those bands tend to use a stock photo that does not match the watch that ships.
Frequently asked questions
Is a replica IW371424 water resistant?
Treat it as splash resistant. Gaskets on replicas are inconsistent, and the 30 m rating on the original already means keep it away from the pool.
Will people notice it is a replica?
From a normal distance, no. Up close, the thickness, dial print, and caseback finishing give it away to anyone who handles the reference often.
Does the chronograph work on a replica?
On a 7750 based replica, yes. Start, stop, and reset all function. On a quartz replica, the counters are fixed and the pushers do nothing.
Which strap does it come with?
Most ship on a leather strap that copies the alligator look. Stitching quality and buckle finish vary from seller to seller.
Legal and practical notes
Replicas infringe trademarks and cannot legally be sold as genuine in the US or the EU, and customs can seize shipments. If you want the look without that risk, homages from other brands use the same dial layout and sell under their own name. Buy only from a seller who answers spec questions with photos and video.