A replica IW371652 is a third-party copy of the IWC Portugieser Chronograph reference IW371652. It is not a genuine IWC product, and the quality of any single example depends almost entirely on the workshop that built it, the movement inside, and how closely the case, dial, and finishing follow the original.
What the IW371652 Reference Covers
IW371652 belongs to the IW3716 group, which is the current generation of the Portugieser Chronograph. The design language is consistent across that family: a round steel case in the 41 mm range, a clean dial with two sub-registers, small seconds at 6 o'clock, a 30-minute counter at 12 o'clock, and applied indices with slim leaf-style hands. There is no date aperture on the standard Portugieser Chronograph layout.
Because IWC assigns a separate reference number to each dial color, case metal, and strap combination, the exact look of IW371652 matters. Before you compare replicas, confirm the dial color, case finish, and strap shown on the manufacturer's own catalog page for that reference. Buying against the wrong reference photo is the most common reason a buyer ends up disappointed.
What a Replica IW371652 Usually Copies
A competent replica targets the visible details people notice at arm's length:
- Case diameter and thickness close to the original
- Two-register chronograph layout with correct sub-dial positions
- Applied rather than printed indices
- Sapphire crystal, ideally with an anti-reflective coating
- Correct lug width so standard straps fit
What separates tiers is not the overall shape. It is the small things: how sharp the bezel edge is, whether the brushing runs in one direction, how the sub-dial rings catch light, and whether the pushers feel crisp or mushy.
Movement Options and What They Mean for You
Most replica IW371652 listings fall into one of three movement categories.
- Quartz chronograph. Cheapest. The seconds hand often ticks rather than sweeps, which is an instant tell on a mechanical-looking chronograph.
- Standard automatic chronograph. A sweeping seconds hand and a working chronograph, but the pusher feel and sub-dial behavior may not match the original.
- Higher-grade automatic. Decorated plates, closer gear ratios, and smoother pusher action. This is where most of the price difference sits.
Ask what movement is inside before you pay, and ask whether the chronograph can be started, stopped, and reset without the seconds hand jumping.
Dial, Case, and Crystal Checks
Dial and Printing
Look at the index alignment against the sub-dials and the outer track. Crooked markers and text that sits too large or too bold are the fastest way to spot a low-tier build in photos. Check that the sub-dial positions match the reference you are buying.
Case and Finishing
Compare the lug shape and the case flank. Polished and brushed surfaces should meet on a clean line, not a rounded smear. Crown and pusher proportions matter too, since these are the parts you touch every day.
Crystal and Water Resistance
Sapphire is standard on better replicas. Water resistance is not. Treat any replica as splash-resistant at best, keep it away from showers, pools, and salt water, and never assume a stated depth rating has been tested.
Sizing and Daily Wear
A Portugieser Chronograph wears large because the dial is mostly open space and thin bezel. If your wrist is under about 17 cm, try to see one in person or measure a 41 mm case against your wrist first. Strap choice changes the feel more than most people expect, and a well-matched alligator-style strap usually looks closer to the original than a bulky aftermarket bracelet.
Price Expectations and Red Flags
Replica pricing tracks movement grade and finishing work, not brand names in a listing. Red flags include stock photos with no real images of the actual watch, claims of genuine parts, pressure to pay outside a protected method, and listings that promise a specific movement without showing it. Ask for a short video of the chronograph running before you commit.
Practical and Legal Notes
A replica is not a genuine watch and cannot be sold or represented as one. Trafficking in counterfeit goods is illegal in the United States and in many other countries, and shipments can be seized by customs. Keep that in mind before ordering, and never pass a replica off as authentic in a resale or trade.
Quick Checklist Before You Order
- Confirm the exact reference details: dial color, case metal, strap.
- Ask which movement is fitted and how the chronograph behaves.
- Request real photos or video of the actual piece.
- Check lug width, case diameter, and thickness against the original.
- Confirm the return policy and payment protection in writing.
- Accept that water resistance is not guaranteed.