The pick for most buyers is the automatic replica IW376055 with a running chronograph, a sapphire crystal and a bezel that indexes cleanly at 12. Judge every candidate on six things: case geometry, bezel action, dial print and lume, chronograph function, crown and gasket quality, and whether the seller will replace a watch that arrives dead. A listing that cannot answer those six is not worth the shipping time.
What the IW376055 replica has to get right
IWC has used the 376x block for its steel dive chronographs, and references inside that block differ in bezel finish, dial color, bracelet versus rubber strap and date placement. Confirm the exact configuration on IWC's own reference page before you compare replicas, because a copy of the wrong variant will look off next to photos of the real thing even if the finishing is good.
What matters most is not the logo on the dial. It is the parts you touch and read every day: how the bezel moves, how the crown threads, how the markers catch light, and whether the chronograph starts and resets without a stutter.
Case and bezel
The case is where cheap copies give themselves away. Look at lug profile, brushing direction, and the transition from the case flank to the bezel.
- Pros of a good copy: 316L stainless case with crisp lug edges and even brushing; bezel with defined detents and no backplay; lume pip seated at 12 with a clean triangle; crown guards that match the genuine silhouette.
- Cons of a weak copy: polished flanks where the genuine is brushed; bezel that rocks a millimeter before it clicks; insert printing that sits under a dome of glue; sharp lug undersides that chew straps.
Use case: if you plan to wear it daily, pay for the tier with a machined bezel. A sloppy bezel is the one flaw you will notice fifty times a day.
Dial, printing and lume
Dial quality separates a convincing replica from a costume piece. Check the marker surrounds, the print weight of the text, and the color of the lume in daylight.
- Pros: applied indices with correct facets, subdials with proper concentric texture, date window cut square with a font that matches the reference.
- Cons: flat painted markers, subdial rings printed instead of recessed, lume that glows green when the genuine reads warm, date wheels with a different typeface.
Use case: buy the better dial if the watch will be seen at arm's length in daylight. Lume performance on replicas is inconsistent, so do not plan on it for night use.
Chronograph and movement
Most automatic replicas in this class run a 7750-derived chronograph movement. It gives a sweeping seconds hand and a pusher feel close to the original, but it also brings known quirks.
- Pros: automatic winding with a working chronograph, correct subdial layout when the factory gets it right, hands that reset to zero.
- Cons: audible rotor, date changes that do not snap over at midnight, and a service cost that can approach the price of the watch. Never reset the chronograph while the watch is running down.
Use case: if you rarely use the chronograph, a simpler movement tier is the lower-risk buy. If the pusher feel is part of why you want the watch, budget for a service.
Water resistance, straps and clasps
Treat any water resistance claim on a replica as marketing. Gaskets may be present and the crown may screw down, but nothing has been pressure tested to a documented standard. Wear it for rain and handwashing, not for swimming.
- Pros: rubber straps on good copies use soft, correctly tapered rubber; clasps engrave cleanly and lock with a firm click.
- Cons: bracelets with loose end links that rattle against the case, clasps with shallow engraving, spring bars of unknown quality.
Use case: swimmers should buy a purpose-built dive watch from a mainstream brand instead. This is a desk diver.
Before you pay: a short checklist
- Confirm the subdial layout and date position against IWC's reference page.
- Ask for a video of the chronograph starting, stopping and resetting.
- Ask for a close-up of the bezel at 12, the clasp engraving and the caseback.
- Confirm the return window in writing, including who pays return shipping.
- Set expectations: no manufacturer warranty, no resale value, no factory service.
The honest summary is that a replica IW376055 is a way to wear a familiar silhouette at a fraction of the cost. It is not an investment and it is not a dive instrument. Buy the version with the clean bezel and the correct dial layout, wear it on dry land, and you will get what you paid for.