A replica IW371748 is an unauthorized copy of the IWC Portugieser Chronograph reference, built to look like the original while using a third-party movement and lower-grade finishing. Prices run from about $80 for a quartz novelty to $600 or more for a so-called super clone, and none of them match the genuine watch in movement, materials, or resale value. The reference belongs to the IW3717 Portugieser Chronograph family, so the first task is confirming which case, dial, and strap variant the seller is actually copying.

What Is the IW371748?

The IW371748 is a reference number inside IWC's Portugieser Chronograph line, a series defined by a wide, clean dial with a chronograph totalizer at 12 o'clock and running seconds at 6. Genuine examples use a polished steel case around 41 mm, a domed sapphire crystal, and a chronograph caliber based on a heavily reworked Valjoux 7750 architecture. Always confirm the exact dial color, strap option, and production year against a reference database or the brand, never against the seller's own listing.

What Does a Replica IW371748 Usually Cost?

Price is the fastest quality signal. Replica pricing clusters into three bands, and each band buys a visibly different watch.

  • Under $100: quartz or low-grade automatic, stamped dial furniture, plated case, printed subdials that do not function.
  • $150 to $300: Asian 7750 automatic with working chronograph, mineral or budget sapphire glass, uneven finishing on the case flanks.
  • $400 to $700: the "super clone" tier with a cloned 7750-derived movement, closer dial printing, and applied numerals that sit flatter against the dial.

Anything above that range is usually marketing, not manufacturing. Expect to pay separately for servicing, since most sellers ship without a warranty that a local watchmaker will honor.

How Do You Judge Replica Quality Before Buying?

Work through a fixed checklist and ask for photographs taken in daylight, not studio renders.

  1. Subdial spacing: the 12 and 6 counters should align vertically with the crown and sit on the correct axis.
  2. Dial printing: text should be crisp under magnification, with no bleeding at the edges of the numerals.
  3. Case finishing: brushed flanks and polished bevels should be distinct, not blended into one soft surface.
  4. Chronograph action: the pushers should start, stop, and reset with a firm click and no creep of the hands.
  5. Weight and balance: a 7750-based watch has a clear rotor wobble, while a quartz copy feels hollow.

Which Movement Is Inside a Replica IW371748?

Most credible replicas use an Asian Valjoux 7750 clone, which is a proven, serviceable design that keeps the correct subdial layout. Cheaper versions substitute a quartz module or a Seagull chronograph, and those change the pusher feel and the sweep of the seconds hand. Ask the seller for the movement name in writing, then verify that a local watchmaker stocks parts for it.

What Are the Legal and Practical Risks?

Selling counterfeit branded watches is illegal in the United States and most of the European Union, and shipments can be seized by customs. Buyers get no manufacturer warranty, no parts support, and no recourse if the watch arrives broken. Water resistance on replicas is usually untested, so treat any copy as splash-proof at best regardless of what the listing claims.

Frequently Asked Questions

Does a replica IW371748 hold its value?

No. Replica watches lose most of their resale value the moment they ship, and there is no established secondary market for them. Genuine Portugieser Chronographs do trade actively, which is why the reference number carries weight in the first place.

Is a 1:1 replica identical to the original?

No. A 1:1 claim refers to external proportions only. Caseback engraving depth, crystal clarity, movement finishing, and hand alignment always differ once you handle both watches side by side.

Can a watchmaker service a replica IW371748?

Many independents will service a 7750 clone because the parts are common and cheap. Few will guarantee the work, and authorized IWC service centers will refuse the watch outright.

Should the replica come with box and papers?

A replica with box and papers is still a replica, and forged paperwork is common. Use the documents to judge the seller's attention to detail, not to judge authenticity.