Short answer
A "v2" on a fake IWC IW329113 is a seller label. It marks the second build of that reference a given seller has offered. No factory registry exists. A v2 from one seller can differ in case, dial, and movement from a v2 sold by another. Treat the number as a claim about parts, then check the parts.
Confirm the reference first
IW329113 is an IWC reference number. IWC publishes case size, dial color, and movement for each reference in its catalog. Number changes inside a reference block often mark dial or strap variants, so pull the exact row before you compare. If a listing shows a case diameter that does not match IWC's figure, stop there. Specs for this reference are best read on IWC's own page, not on a seller page.
Fake IW329113 v9: What It Is and How to Check One
What the version number covers
- Dial: print thickness, index polish, lume fill level.
- Case: bezel shape, lug profile, crown size, caseback engraving depth.
- Hands: length against the minute track, pinion height, finish.
- Movement: rotor decoration, beat rate, date change direction.
- Strap or bracelet: end link fit, clasp engraving, spring bar quality.
Checks that settle the question
- Measure the case with calipers. Compare to IWC's published diameter to 0.1 mm.
- Ask for the head weight in grams without strap. Compare that figure across listings.
- Set the hands to 6:00 and look at alignment against the index.
- If the variant has a date, watch the change at 11:58. Snap action and font matter more than the label.
- Check beat rate on a timegrapher. 28,800 vph fits a 2892-type base. 21,600 vph points to a cheaper movement.
- Look at the crown threads under a loupe. Even pitch, no burrs.
Water resistance
Do not trust a replica rating. ISO 22810 sets the marking rules for water resistance, and replica makers do not test to it. A pressure test at a local watchmaker gives a real number. Keep the watch off water until it passes.
Movement tiers and price
Two bases dominate this market: a 2824 clone and a 2892 clone. The 2892 build is thinner, and a thin case sits closer to the genuine profile. Ask which base the seller uses before you pay. A v2 label on a 2824 base is often a repackaged v1.
Legal note
Counterfeit watches can be seized in the US. CBP may hold or destroy shipments of goods that carry a counterfeit mark. A listing that says replica or v2 does not change that exposure.