Short answer
Replica IW329154 is a copy of the IWC Aquatimer Automatic 42, a stainless steel dive watch with an inner rotating bezel. The reference number sits in the IW3291 block of the IWC catalog. Factory specs for that block list a 42 mm case, 300 m water resistance, and calibre 30120 with a 42 hour power reserve. IWC does not publish a separate spec sheet for each suffix, so confirm the exact variant before you compare a replica against it.
What the original is
The Aquatimer Automatic 42 uses a steel case at 42 mm diameter, a sapphire crystal, a screw down crown, and the SafeDive inner bezel system driven by the outer ring. Movement is calibre 30120, built on the Sellita SW300-1 base. Strap options include rubber and steel. Retail on the original runs into the thousands of dollars, which is the main reason buyers look at copies.
Replica grades
- Low grade. $40 to $120. Mineral glass, printed dial, quartz or coarse automatic movement. Bezel action is loose.
- Mid grade. $120 to $250. Sapphire crystal, Japanese automatic movement, correct case diameter within 1 mm.
- Super clone. $250 to $500. Case, dial, hands, and bezel made close to original dimensions. Often fitted with a clone of the SW300 or ETA 2892.
Movement options in copies
Three movements show up. Quartz is cheapest and the second hand ticks. The Miyota 9015 is a Japanese automatic at 28,800 vph and 42 hours of reserve. Clone SW300 and clone 2892 movements cost more and run closer to the original beat rate. Ask which movement is inside. Sellers blend the names.
Case, bezel, and dial checks
- Measure the case. It should read 42 mm across, not 40 or 44.
- Turn the outer ring. The inner bezel must move in steps, not slide.
- Check the date window position and font.
- Look at the crown guards and the lug shape.
- Weigh the watch. Steel copies land near the original weight.
Water resistance
Most replica cases are not pressure tested. Gaskets are the weak point. A seller claim of 300 m is a copy of the original rating, not a test result. Do not dive or swim with a replica.
Price bands
Expect $40 to $120 for low grade, $120 to $250 for mid grade, and $250 to $500 for a super clone. Anything above $500 for this reference is above market.
US legal status
US law bars the sale of goods that carry counterfeit trademarks, under 18 U.S.C. 2320. CBP seizes counterfeit watches at ports of entry. Buying carries less risk than selling, but importing a counterfeit item can lead to seizure and destruction.
Questions for a seller
- Which movement is inside, and what is the beat rate?
- What is the measured case diameter?
- Is the crystal sapphire or mineral?
- Are photos of the actual watch available, not stock images?