The short answer
A replica IW545113 is a third-party copy of an IWC dress watch, normally assembled in China or Hong Kong from a mix of factory-made and off-the-shelf parts. The good ones run a real mechanical movement, sapphire crystal, and a case that follows the genuine proportions. The bad ones use plated brass, a quartz movement behind a decorated caseback, and a strap that feels like plastic. Prices run from roughly $70 to $550, and that spread tells you most of what you need to know.
One thing first. IWC reference numbers get muddled in listings, so before I judge anything I pull up official photos of the genuine reference in the exact configuration I want: case metal, dial color, strap or bracelet. Match that image, not the seller's paragraph of adjectives.
Why this style of watch is hard to copy well
Clean, round, uncluttered dials are unforgiving. A busy chronograph gives a factory a dozen places to hide sloppy work. A plain three-hander with a large open dial puts everything on display: the bezel polish, the shape of the hands, the applied indices and how high they sit, the thickness of the printing.
So the whole evaluation comes down to close-up shots. Where does the seconds hand land on the small subdial? Is the gap between the markers and the chapter ring even all the way around? Is the logo a raised metal badge or flat ink? Those details separate a $180 watch from a $450 one.
Dial
- Logo: applied metal on most versions, with visible edges. Flat printing is a budget tell.
- Hands: polished, no burrs at the tips, no wobbly set on the pinion.
- Small seconds: sits in a recessed subdial, not stuck flat on the surface.
- Text: thin and level. Thick, smeared, or unevenly spaced lettering is the easiest flaw to spot in person.
Case and crystal
Aspire to sapphire. Below that tier you are getting mineral glass, which scratches and never looks as clear. Anti-reflective coating should be on the inside of the crystal; an external film looks blue in photos and smudges in real life. On case finish, expect brushed sides with polished lugs and bezel on stainless versions. Run a finger along the lug edges, since cheap machining shows up there first.
Movement
Ask what is inside and do not accept "Swiss movement" as an answer. Common options are a decorated Chinese automatic, a Seagull hand-wound, or a Miyota. Any of those can be perfectly fine. What you don't want is a quartz cell powering a watch sold as mechanical, or a caseback full of fake screws holding a glued-on plate. Request a short video with the seconds hand sweeping.
Strap and buckle
Aftermarket alligator-pattern leather can look convincing and costs the factory little. Stiff, glossy, plasticky leather is the usual shortcut. A tang buckle is easy to copy well. A folding clasp is not, and the engraving on it tends to give the price tier away.
Price tiers
- Under $100: quartz or a rough automatic, mineral glass, plated case, thin finish.
- $150 to $300: the sensible zone. Mechanical movement, sapphire, clean dial printing.
- $300 to $550: best case work, sharpest dial details, better movement, better strap.
Before you pay
- Keep a photo of the genuine reference open in the same configuration.
- Ask for dial macros, especially the logo and the printed text.
- Ask for a video, not stills, so you can see the hand sweep and the case finish moving.
- Confirm case diameter and thickness against real specs. A thicker case is the most common error.
- Check the return window and pay with a method that gives you recourse.