An imitation Da Vinci is a replica of IWC's Da Vinci line, most often the 36mm or 40mm automatic from the 2017 relaunch, and sometimes the older perpetual calendar. The short answer: the two-hand and three-hand versions copy well because the case is simple and the dial is clean, while the perpetual calendar and moonphase versions almost never work the way the originals do. If you want something that feels right on the wrist, buy the simple one. If you want a party trick, buy the complicated one and accept that it is decoration.
What the replica actually copies
The Da Vinci is not a Submariner. It does not have a bezel to hide behind, and there is no bracelet to distract the eye. Everything is in the case profile, the lug geometry, and the dial printing. That makes it both easier and harder to fake well.
- The 2017 relaunch moved the line to a round case with articulated lugs that pivot at the top and bottom. Replicas that copy this correctly sit flat on a small wrist. The bad ones mold the lugs solid, and the watch perches.
- The dial uses applied indices and leaf-shaped hands. The printing of the brand name is thin and slightly raised on the original. Printed lettering that looks fat or fuzzy is the fastest tell.
- The date window on the 36mm sits at 6 o'clock and should be cut clean with a sharp frame, not punched with a rounded corner.
- The crown is small and slightly recessed. Oversized replica crowns stick out past the case flank and catch on cuffs.
Where replicas get the Da Vinci wrong
Thickness is the number one problem. The 36mm automatic is a slim watch, under 10mm in the original. Most replicas push past 11mm because the movement and case back are not built to the same tolerance. You notice it when you put it under a shirt cuff or when you flip it over and see a case back that domes out more than it should.
Second is the dial color. The silver and slate dials on the Da Vinci have a fine sunburst that shifts under light. Replicas often use a flat matte finish that looks correct in a photo and dead on a wrist.
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Third is the strap. Originals come on well-tapered alligator with a signed pin buckle. Replica straps are usually stiff and the buckle engraving is shallow.
The calendar and moonphase problem
The 1985 Da Vinci Perpetual Calendar, designed with Kurt Klaus, is a genuine engineering milestone. It runs a mechanical perpetual calendar module on top of a chronograph base. No replica at any price reproduces that module. What you get instead is a stacked set of discs driven by the base movement, and the day, month, and leap year indicators are often decorative or set by pushers that do not correct themselves.
Moonphase replicas are a step better. The disc turns, and on decent examples the lunar period is close enough that you will not notice drift over a month. Just do not expect the moon phase to stay synced with the actual sky after a few weeks of wearing it.
Movements worth paying for
A 36mm three-hand replica should run a reliable automatic, typically a Miyota-derived or Sellita-clone caliber. Ask what is inside before you buy. A known Japanese or Swiss-design automatic beats an unbranded Chinese movement in a watch you plan to wear weekly.
Chronograph replicas of the Da Vinci usually run an Asian 7750 derivative. That movement works, but it is thick, and the pusher feel is soft compared with the in-house flyback in the real thing. Accept it as a look, not a function.
What to pay and how to judge a seller
Expect to pay for finishing, not for the name. A good imitation Da Vinci costs enough that the case has proper polishing between the lugs, the hands are beveled, and the sapphire is actually sapphire. Below that price point you are buying a watch-shaped object.
Ask for a straight-on dial photo and a side profile shot. The side profile tells you about thickness and lug shape faster than any description. Then ask for a photo of the case back and the clasp. Those two spots are where corners get cut, and sellers who will not send them usually have a reason.