Answer first
A replica IW371462 copies the IWC Portugieser Chronograph from the 3714 series. Good examples get the 40.9 mm case, the two-register dial and the leaf hands right. Weak examples run 42 mm wide, sit 2 mm too thick and print numerals that are too bold. Expect $120 to $180 for quartz and $300 to $500 for a copy with an Asian 7750 movement and a sapphire crystal.
The seller sets the final spec. Ask for caliper photos of the case and a short video of the chronograph running before you pay.
The reference in one paragraph
The 3714 series ran for close to two decades. The case is 40.9 mm wide and about 12.3 mm thick. Water resistance is 3 bar. The movement is caliber 79350, a Valjoux 7750 finished by IWC. Two subdials: running seconds at 6, chronograph minutes at 12. There is no hour counter and no date. The dial carries applied Arabic numerals, a thin printed minute track and leaf-shaped hands.
Dial points to compare
- Subdial spacing. Both registers sit close to the center post. A wide gap points to a different base plate.
- Numeral thickness. Replica numerals read heavier than the real ones at 12 and 6.
- Minute track. It sits outside the numerals and stays thin.
- Hands. Leaf shape, flat polish. Check the tail length on the chronograph seconds hand.
- Printing. Look for crisp text under the 12. Blur here is common at the low end.
Movement choices
An Asian 7750 copy is the closest match. It shares the layout of the 79350, so the subdials land in the right place and the pushers feel similar. Two costs: thickness and service. A 7750 build adds 1 to 2 mm to the case, and the movement needs a clean and oil if it sits unused for years.
Quartz builds are thinner and cheaper. The trade is visible. The chronograph seconds hand jumps once per second instead of sweeping. Subdials on quartz versions often show day/night or a 24-hour hand instead of running seconds.
Checks before payment
- Case width. Ask for a caliper photo across the bezel. Target 40.9 mm.
- Case thickness. Under 14 mm is workable. Past 14.5 mm the watch looks wrong on the wrist.
- Crystal. Sapphire holds a sharper edge highlight. Mineral shows fine scratches after weeks.
- Chronograph. Start, stop and reset. The reset hand must snap back to zero in one motion.
- Strap. Most ship with alligator-grain leather. Check the stitching and the buckle mark.
- Water. Treat any depth rating as decoration. Keep the watch away from water.
Price tiers and what changes
Under $150 you get quartz, mineral glass and steel of unknown grade. $200 to $350 buys a 7750 copy, and some listings at that price include a sapphire crystal. Above $400 the case finishing improves: brushed flanks, polished bevels, better dial lacquer. Past $600 the gain per dollar drops. No replica carries an IWC movement.
Open item
IWC built the 3714 line with many dial and strap variants. Photos filed under IW371462 differ between sellers, and some listings use stock images of another reference. Confirm dial color, numeral finish and strap from the seller's own photos. If the seller cannot send them, treat the listing as unverified.