Short answer
The IW329060 is an IWC Pilot's Watch reference, and the replica market for it splits into three tiers. The ones worth owning start around $150: a 40mm case with correct proportions, sapphire crystal, a dial with the right numeral font and the date in the right spot, and an automatic movement running at 28,800 vph. Cheaper copies cut corners on the dial printing and the crystal, and those are the two things you notice from arm's length.
What the original is
IWC's Mark XVIII line is a modern reading of the Mark 11, the RAF-issued pilot's watch from the 1940s. The formula has stayed steady: 40mm steel case, about 11mm thick, 20mm lugs, matte black dial, white printed numerals at 12, 6 and 9, a triangle with two dots at the top, and a date window at 3 where the numeral would sit. Inside there's a soft-iron inner case for magnetic shielding, sapphire on both sides, and in the standard versions a caliber 35111 automatic. The IW329060 sits inside this family, which means a listing showing a 43mm case, a chronograph, or a day-date wheel is a different watch wearing the wrong number. Check the reference against IWC's own product page before anything else.
Where replicas get it wrong
Case and crystal
Case shape is the hardest thing to fake well. The gen has a slight taper on the lugs and a bezel that sits flush with the midcase. Cheap copies look slab-sided in photos and worse in person. Ask for a side-profile shot, not a straight-on one. Crystal quality matters too. The original has antireflective coating on both faces, so the dial reads almost black with no haze. Most replicas only coat the outside, which shows up as a gray film under indoor light.
Dial and date
Look at the numeral 6 and the numeral 9 up close. On a good copy the strokes are even and the corners are sharp. On a bad one they're fat and slightly rounded. The date font is the other tell: the gen uses a thin, squared-off typeface, and a lot of replicas use a chunky generic one. Print alignment matters as well. If the text sits a hair too low or the triangle is off-center, that's a reject.
Movement
Three things show up in this ref. A Miyota 9015, an Asian clone of the ETA 2892, and quartz on the very bottom tier. The 9015 and the 2892 clone both run at 28,800 vph, which means the seconds hand sweeps smoothly, and both are serviceable by any decent watchmaker. Quartz ticks once per second, and that alone gives it away.
Strap and hardware
Santoni-style leather on the gen has a soft, matte finish. Replica straps are usually stiffer and shinier. The buckle engraving should be crisp and shallow, not deep and blurry. This is a cheap part to swap, so don't reject a watch over a strap.
What to check before you pay
- Reference number matches the photos, with no mismatched dial layout.
- Case diameter measures 40mm, lug width 20mm.
- Crown screws down with smooth threads, no grit.
- Date flips over within a few minutes of midnight, not at 3am.
- Movement hacks and hand-winds if it's an automatic.
- Timegrapher reading within about 15 seconds a day, amplitude over 250.
- Water resistance tested, not just claimed. Skipping this is how you get fog under the crystal.
Red flags
Any seller who refuses a timegrapher photo, who ships only stock images, or who quotes a price far below the tier you're shopping in. Also watch for listings that mix photos of two different watches. Zoom in on the dial in every shot and compare the printing against the others. If the date font changes between pictures, you're looking at a bait listing.
Last thing: this is not a hype reference, so the number of factories making a genuinely good version is small. Buy from a seller who has actually held the watch and can send fresh photos on request. That beats a discount every time.