Quick answer
A Swiss imitation of the IWC IW328095 copies the case and dial of the pilot reference and fits a Swiss or Swiss-assembled automatic movement. The gap between a good replica and a poor one shows up in four places: case thickness, dial printing, crystal coating, and movement quality. Measure those against the published spec sheet before you pay, and skip any seller who will not answer spec questions in writing.
Before you start
- The manufacturer spec sheet for reference IW328095, listing case diameter, thickness, lug width, calibre, and water resistance rating.
- Digital calipers that read to 0.1 mm.
- A 10x loupe.
- A UV torch for lume checks.
- A timegrapher, or a seller willing to send a timegrapher photo with the watch running.
How to evaluate the watch
- Pull the official IW328095 spec sheet and write down case diameter, thickness, lug width, and water resistance rating.
- Measure case diameter across the 9 to 3 line with the calipers and compare the number to the spec sheet.
- Measure total thickness from caseback to crystal and reject anything more than 0.5 mm off, since extra height usually means a cheap movement spacer.
- Measure the lug width and confirm the strap or bracelet fits without gaps at the case.
- Inspect the dial under the loupe and check that every printed letter sits sharp and single, with no ink bleed or doubled edges.
- Check that all applied indices sit on the same radius from the centre and that the date window cuts the dial squarely.
- Tilt the watch under a lamp and look at the crystal edge to see whether the anti-reflective coating matches the original in coverage.
- Ask the seller which movement is fitted, then confirm the beat rate reads 28,800 vph on a timegrapher and that the seconds hand hacks when you pull the crown.
- Wind the crown 20 turns by hand and note the resistance and the snap of each crown position.
- Charge the lume with the UV torch for 30 seconds and compare brightness and colour against photos of the genuine dial.
- Ask for a pressure test result at the rated depth in writing before the watch ships.
Legal note for US buyers
Counterfeit watches that carry a protected trademark are illegal to import into the United States. Customs can seize a shipment, and reselling a counterfeit exposes the seller to trademark liability. Buy with that risk priced in, and keep any seller claims about "Swiss made" content in writing.