Before you send money for anything listed as a replica IW93870, settle three questions. First, does the reference exist in IWC's own catalog, with a published case size, dial layout and movement? Second, will the seller show photographs of the exact unit that ships to you, not a stock image borrowed from the brand? Third, do you accept that a counterfeit carries no manufacturer warranty, can be seized in transit, and cannot be resold as what it imitates? If any answer is no, stop there. Most bad purchases in this niche fail on question one, because a reference number that does not map to a real model is a sign the listing was assembled from keywords rather than from a watch.
Start with the reference, not the photos
IWC builds its reference numbers from an IW prefix plus a digit string, and each complete number ties to one case diameter, one dial configuration and one movement family. Treat the brand's own catalog as the reference point. Match the claimed diameter against the official figure, then check subdial placement, date window position, crown shape, and the finish where the lugs meet the case. If the dial in a listing does not match the brand's published images for that number, the number is decoration. Ask the seller to name the factory and the batch, because two units from different batches of the same model can differ in hand finish, crystal clarity and bracelet fit.
What to inspect on the actual watch
Case, crystal and dial
- Case diameter within about 0.5 mm of the official spec, measured with calipers, not judged by eye.
- Sapphire crystal with an anti-reflective coating on at least one face. Mineral glass scratches and blunts the dial.
- Applied markers and hands with clean edges. Look for burrs, uneven lume fill, and hands that sit too high above the dial.
- Dial printing that is sharp under magnification. Fuzzy text and off-centre subdials are the fastest tells.
- Caseback engraving depth and alignment, plus correct gasket seating if the watch is screwed shut.
Movement and operation
- Ask which movement is fitted: a decorated clone, a modified third-party automatic, or a quartz substitute. The last one is common in listings that never mention the movement at all.
- Confirm the beat rate. A 28,800 vph movement sweeps smoothly; a 21,600 vph unit looks coarser and often signals a lower grade.
- Test every function before accepting: winding feel, crown pull positions, date change, chronograph start, stop and reset if fitted.
- Ask for a timegrapher photo showing rate and amplitude. A seller who cannot produce one has not tested the watch.
- Water resistance is a claim, not a guarantee. Treat any rating on a replica as unverified and keep it away from water unless a watchmaker has pressure-tested it.
Bracelet and clasp
- Solid end links that sit flush against the case with no gaps or rattle.
- Clasp engraving that matches the caseback in font weight and depth.
- Sizing screws that turn without stripping, and spare links included in the box.
How the quality tiers break down
Replica supply sorts into rough bands, and the bands matter more than the model name on the listing.
- Entry tier. Stamped hands, printed dial details, mineral glass, low beat movement, hollow end links. It photographs well and feels wrong within a minute on the wrist.
- Mid tier. Applied markers, sapphire glass, a clone or modified automatic at 28,800 vph, solid links. The sensible band for daily wear if you accept the risk.
- Top tier. Closer case geometry, better hand finishing, genuine-spec crystal with coating, and a movement that a watchmaker will agree to service. Supply is thin and quality varies by batch.
Whatever the tier, the same rule holds: judge the individual unit from photos and video, never the tier label.
Pitfalls that cost buyers money
- Stock images passed off as the watch. Insist on dated photos of the serialised unit, including a shot of the movement.
- Bait pricing. A quote far below every other seller for the same tier usually means a downgraded movement or a bait-and-switch on arrival.
- Payment without recourse. Bank transfer and crypto leave you with no chargeback path. That is the single largest financial risk in this market.
- Customs exposure. Counterfeit goods can be seized and destroyed in transit. You may lose both the watch and the money.
- No service path. Many watchmakers refuse counterfeit work, and parts are not interchangeable with the genuine article.
- Resale traps. Selling a counterfeit as the original is a trademark offence in most jurisdictions. Buying one to flip is a legal problem, not a side income.
Frequently asked questions
Is IW93870 a real IWC reference?
Do not take a seller's word for it. Check the number against the brand's published catalog and compare the case size, dial layout and movement listed there with what the seller describes. A number that produces no official match is a warning sign.
Can I get a replica serviced?
Some independent watchmakers will work on clone automatics, many will not. Ask before you buy, and expect to pay for a full service within a few years.
Is a replica waterproof?
Assume it is not. Gaskets and case machining vary by batch, and a stated depth rating on a counterfeit is a marketing claim with no testing behind it.
What is the biggest mistake first-time buyers make?
Paying before seeing the actual unit. Photos of the specific watch, taken with a date card, are the cheapest insurance available.
Can I resell it?
Only as a replica, and in some jurisdictions not at all. Selling it as the original exposes you to trademark liability and fraud claims.