The top pick for most buyers is a mid-tier replica IW323723 with a Swiss ETA or Sellita automatic inside, a steel case cut to the dimensions IWC publishes for the genuine watch, and a seller who sends dated QC photos before the parcel leaves. That spec covers the two failures that hurt most: a movement that quits inside a year, and a case that sits wrong on the wrist so the watch never reads right even from across a table. The criteria below are the ones that change what you receive: a verified reference, the movement, the case and bracelet, the dial and date, seller QC, and landed cost including customs risk.

Step 1: Confirm what an IW323723 is supposed to look like

Reference numbers on replica listings are labels sellers attach, and those labels drift between batches. Before you compare sellers, open IWC's own product page or printed catalog for the reference and write down case diameter, case thickness, bracelet or strap type, crown position, crystal shape, and dial layout. Then hold every listing against that baseline. A seller who shows a caseback photo, a movement photo, and a wrist shot is easier to trust than one who shows three stock images pulled from a factory album.

Pros

  • You catch wrong-dial and wrong-case listings within minutes.
  • You can ask pointed questions and read the answers for bluffing.
  • You end up with a reference folder you reuse for later purchases.

Cons

  • Manufacturer spec pages change, and older references can be hard to pin down.
  • Factory photos get reused across sellers, so they prove less than they appear to.

Best for: first-time buyers who have never handled the genuine watch and need a fixed point to compare against.

Step 2: Judge the movement

Three movement tiers appear under this reference: Swiss ETA or Sellita automatics, decorated Asian clones of the same calibres, and lower-grade Asian automatics. Ask the seller to confirm the calibre number in writing, plus the beat rate and power reserve they claim. A watchmaker can verify all three in a few minutes with a timegrapher.

Pros

  • Swiss ETA and Sellita movements take standard parts, so any competent shop can service them.
  • Decorated clones cost less, look correct through a display back, and many shops will still regulate them.
  • A stated calibre gives you something concrete to dispute if the watch arrives wrong.

Cons

  • Swiss movements push the price up, and some listings advertise Swiss while shipping a clone.
  • Clone quality swings from batch to batch, so reviews from six months ago may not describe current stock.
  • Bargain automatics often arrive running fast with low amplitude.

Best for: daily wear calls for Swiss ETA or Sellita. For occasional wear or a watch that mostly sits in a case, a mid-grade clone is a reasonable spend.

Step 3: Case, crystal, and bracelet

Case work is where a replica either passes or fails at arm's length. Check lug width, case thickness, crown guard shape, and how the bracelet end links meet the case. Brushed and polished transitions should follow a straight line. Ask for the measured case diameter with calipers in the photo, not just the listing text.

Pros

  • Correct proportions make more difference than any other single upgrade.
  • A bracelet with solid links and a working clasp feels close to the original on the wrist.
  • Sapphire with inner coating reduces the flat, shiny look that gives cheap replicas away.

Cons

  • Thicker cases are common and change how the watch sits under a cuff.
  • Hollow end links and stamped clasps show up even on mid-tier builds.
  • Water resistance claims are unreliable for swimming unless the case was pressure tested.

Best for: anyone who wears the watch with short sleeves. Spend here before you spend on dial trivia.

Step 4: Dial, hands, and date

Print sharpness, marker alignment, and the date window are the details people notice up close. Ask for a straight-on dial photo in daylight and a macro shot of the date. Check that the font matches the reference, that the window sits centered, and that the hands line up at 12.

Pros

  • Good dial printing is cheap to get right, so most mid-tier builds manage it.
  • Correct date font and wheel color close the gap on an obvious tell.
  • A crisp macro photo tells you more than any written description.

Cons

  • Marker alignment problems are hard to fix after the fact.
  • Camera angles and ring lights hide lume color and texture differences.

Best for: collectors who handle the watch often and care about close-range detail.

Step 5: Seller QC and shipping

Ask for QC photos on a dated background before shipment: dial straight on, crown side, caseback, bracelet clasp, and the movement if there is a display back. Confirm the shipping method, the declared value, and what the seller does if the parcel is stopped. Options are usually a reship at partial cost or a refund minus shipping.

Pros

  • Dated QC photos give you a record for a dispute.
  • Established sellers often replace a dead-on-arrival movement.
  • Tracked shipping with a signature reduces the chance of a loss with no paper trail.

Cons

  • QC photos can be reused or borrowed from another buyer's order.
  • Reship policies rarely cover seizure, and the wait can run weeks.

Best for: buyers who want recourse. If a seller refuses any pre-shipment photos, move on.

Step 6: Price bands and legal reality

Prices for this reference cluster into three bands: entry automatics, mid-tier builds with better cases, and top-tier builds with Swiss movements. Pay with a method that offers a dispute window, keep the chat history, and treat the parcel as at risk. Counterfeit goods can be seized by customs, and the buyer absorbs that loss.

Pros

  • Mid-tier pricing usually buys the biggest jump in visible quality.
  • A dispute-friendly payment method costs nothing extra.

Cons

  • Spending top-tier money does not guarantee a top-tier watch.
  • Seizure means no watch and no refund in most cases.

Best for: buyers who accept the risk and want the best ratio of looks to cost.

How to decide

  1. Fixed reference details first. Confirm the case size and dial layout from the manufacturer.
  2. Movement second. Swiss ETA or Sellita for daily wear, a solid clone for occasional use.
  3. Case and bracelet third. Proportions beat decoration.
  4. Seller fourth. Dated QC photos, a stated reship policy, and a clear return path.
  5. Budget last. Set a ceiling and stay under it, because the next tier up rarely fixes a bad case.