The replica IW371632 copies the IWC Portugieser Chronograph, a 41 mm stainless steel watch with a blue sunray dial, twin vertical registers at 12 and 6 o'clock, and a slim polished bezel. A well-made replica matches the 41 mm diameter, roughly 13 mm thickness, 20 mm lug width, and the balanced dial layout. The tells sit in the details: dial print sharpness, subdial depth, crystal glare, and the movement visible through the sapphire caseback.

What Is the IWC Portugieser Chronograph IW371632?

IW371632 belongs to the Portugieser Chronograph family, IWC's classic two-register chronograph with a clean railroad-style minute track. The genuine watch uses the in-house calibre 69355, a column-wheel chronograph with automatic winding and about 46 hours of power reserve. Case size is 41 mm with 30 m of water resistance, which is modest and worth remembering before you swim with any copy.

Key Specs to Compare on a Replica IW371632

  • Case: 41 mm stainless steel, polished bezel, brushed caseband, 13 mm class thickness
  • Lug width: 20 mm, curved lugs that hug the wrist
  • Crystal: domed sapphire with anti-reflective coating on both sides
  • Dial: blue sunray finish, applied indices, printed minute track, two recessed subdials
  • Movement: column-wheel chronograph, 28,800 vph, 46-hour power reserve in the original
  • Water resistance: 30 m on the genuine reference

How Do You Spot a Weak Replica IW371632?

Case and bezel

Good copies keep a 41 mm case that measures within a few tenths of a millimeter and a bezel that stays thin. Poor copies add bulk around the lugs or polish the caseband that should be brushed. Check that the crown and pushers sit flush and that the pushers click with a firm, short travel.

Dial and subdials

The blue sunray dial should shift from deep navy to bright blue as light moves across it. Subdials sit level with the dial surface on the original, not sunken like bowls. Look for crisp index edges, centered printing, and hands that reach the minute track exactly.

Movement and caseback

No replica carries a real IWC 69355, so treat the caseback as a display piece rather than a spec sheet. Common substitutes include the Seagull ST19, the Asian 7750, and decorated automatic chronograph clones. Ask which movement is fitted, because that choice drives both the price and how the chronograph feels when you press it.

Strap and clasp

The genuine watch ships on an alligator leather strap with a steel pin buckle or folding clasp. Replicas usually use embossed calf leather or synthetic material that stiffens within months. Budget for a replacement strap if you want the watch to sit and age like the original.

Which Movement Should a Replica IW371632 Use?

The Asian 7750 keeps running seconds at 9 o'clock and delivers a solid chronograph action, but it runs thicker than the original. The Seagull ST19 offers a slimmer hand-wound profile and a smoother pusher feel, though it needs winding every day. Either option works if the case thickness and subdial positions stay faithful to the reference.

How Much Should a Replica IW371632 Cost?

Entry copies with a basic quartz or economy automatic movement sit in the low hundreds of dollars and rarely match the case profile. Mid-tier automatic versions land in the middle range and get the dial right but often miss crystal quality. Top-tier builds with a decorated chronograph movement, sapphire crystal, and correct dimensions cost several hundred dollars and are the only tier worth comparing to the original.

FAQ

Does a replica IW371632 keep accurate time?

A regulated automatic clone typically runs within 10 to 20 seconds per day, which is fine for daily wear. Hand-wound movements can do better or worse depending on how the watch is stored. Ask the seller for a timegrapher reading before you buy.

Can a jeweler service a replica IW371632?

Independent watchmakers can service generic chronograph movements, and parts for the Asian 7750 are widely available. IWC will not touch a replica, and no authorized service center stocks parts for it. Keep the servicing question in mind when you choose a movement tier.

Is the replica IW371632 water resistant?

Most replicas claim 30 m, matching the genuine rating, but seals are rarely tested at the factory. Splashes and rain are fine once the caseback is checked. Keep any copy away from swimming, diving, and hot showers.

Note that a replica is not a genuine IWC watch, carries no warranty from the brand, and may be restricted or illegal to import depending on where you live. Verify local rules before ordering.