Top pick: the 40mm Ingenieur Automatic from the 2017 generation, the IW3570 family, as built by the better IWC-focused replica makers. It is the version most shoppers mean by "replica Ingenieur 2017," and it is the one where the copies stay closest to the real watch. The pick rests on four checks: case profile and thickness, bracelet end-link fit, movement type, and dial and date printing. The Ingenieur Chronograph is the runner-up and a bigger risk, because extra pushers and subdials give a copy more places to look wrong.

What the 2017 Ingenieur Generation Actually Is

At SIHH 2017, IWC retired the Genta-style Ingenieur of the 2000s and relaunched the line with round cases, slim bezels, and bracelets that read as integrated. The core pieces were the Ingenieur Automatic at 40mm with a date at 3 and sapphire on both sides, and the Ingenieur Chronograph at 42mm. Because the generation is recent, replica makers had retail examples to copy instead of catalog photos, which is why the case and bracelet on the good copies hold up at arm's length.

Top Pick: 40mm Ingenieur Automatic (IW3570 Style)

Pros

  • Three-hand dial with a date has few details to get wrong, so flaws are easier to spot before you buy.
  • Case and bracelet geometry is the most widely copied shape in this line, which makes spare links and parts easier to source.
  • Time-only automatic movements inside these copies are common and any local watchmaker can regulate or service one.
  • At 40mm it wears close to the genuine watch on average and larger wrists.

Cons

  • Bracelet end links and the clasp are the weak point on entry tiers. Look for gaps where the bracelet meets the case.
  • Date wheel font, thickness, and centering in the window often sit slightly off.
  • Anti-reflective coating on the sapphire is often missing, weak, or uneven across the crystal.
  • Magnetic shielding is cosmetic on most copies. Do not expect the soft-iron inner case behavior of the original.

Use case: the right buy for someone who wants one watch that reads correctly across a desk, at dinner, or on a video call, and who would rather own one clean copy than three rough ones.

Runner-Up: Ingenieur Chronograph 42mm

Pros

  • More wrist presence. Pushers and subdials make it read as a serious sports watch.
  • Chronograph movements in this segment are widely available, so repairs and replacements stay simple.
  • Case finishing on the better chronograph copies is often on par with the automatic version.

Cons

  • Subdial spacing and pusher placement are the most common tells, and they are hard to fix after purchase.
  • 7750-family clone movements add case thickness and need care. Running the chronograph constantly wears the movement faster.
  • More moving parts means more failure points and a higher asking price than the three-hand copy.

Use case: a second or third purchase for someone who already owns a three-hand copy and wants variety. It is a poor first buy.

Inspection Checklist Before You Buy

Case and Profile

Ask for a straight-on side photo, not a three-quarter shot. Case thickness and bezel width are where budget copies drift. The 2017 shape is thin and flat, so a fat case is the fastest tell.

Bracelet and End Links

Check how the first link meets the lugs. Solid end links with tight tolerances matter more than the clasp logo. Ask for a photo of the bracelet laid flat, then a photo of it on a wrist.

Movement

Time-only copies usually run a Sellita or ETA clone, which is a plus for service. Chronograph copies run a 7750-family clone. Ask which movement is inside and whether the rotor is decorated or plain, then decide if the answer matches the price.

Dial, Hands, and Date

Look for applied indices that sit level, a printed minute track that stays even around the dial, and hands that reach the correct point on the track. Date alignment gets checked at 12, 3, and 9 o'clock positions of the date wheel, not just one day.

Crystal and Finishing

Brushed and polished surfaces should meet on a crisp line. If the transition looks blurred in photos, the polishing was done by hand on a low tier case. Ask for a shot under a desk lamp to judge the anti-reflective coating.

Which One to Choose

  • First replica and a daily wearer: 40mm Ingenieur Automatic, mid tier or above.
  • You want chronograph looks and accept thickness: 42mm Chronograph, but only with movement details in writing.
  • Small wrist under about 6.5 inches: the 40mm Automatic. The chronograph case overhangs on smaller wrists.
  • You want a watch to pass close inspection: buy none of these. Save for the real piece.

Legal and Practical Reality

In the United States, selling counterfeit goods that carry a trademark is illegal, and customs officers can seize a watch shipped from overseas. Domestic resale carries the same problem. There is also no manufacturer warranty, no parts support, and no resale value in the way a genuine watch has value. Treat the purchase as a disposable fashion item with a short service life, budget for a service or a movement swap within a few years, and do not spend money you would miss.