The top pick for most buyers is a top-tier fake IW371747 that matches the genuine case thickness, two-register dial layout, and chronograph movement type. The criteria that separate a good replica from a bad one are case proportions, subdial spacing, date font, crystal material, and strap hardware. The sections below compare three replica tiers and the genuine baseline.

Top-Tier Fake IW371747

This tier aims to copy the IW371747 as closely as possible. It often uses a modified 7750 movement or a clone with better finishing. The case is usually closer to the genuine thickness, and the dial print is sharper.

  • Pros: Case thickness and lug shape are closer to genuine. Subdial spacing at 12 and 6 is usually correct. Chronograph pushers feel less gritty. Sapphire crystal is common.
  • Cons: Highest cost among replicas. Still not a genuine IWC movement. May need servicing for long-term reliability.

Best for: buyers who want the closest visual match and will wear the watch regularly.

Mid-Tier Fake IW371747

This is the most common replica tier. It looks right at arm's length but shows tells up close.

  • Pros: Lower price than top-tier. Decent dial and case finish for casual wear. Acceptable for occasional use.
  • Cons: Case is often thicker than genuine. Subdial spacing can be off. Date wheel font may be wrong. Rotor noise is more noticeable.

Best for: casual wear and testing the style before spending more.

Budget Fake IW371747

This is the cheapest option. It often uses mineral glass and a basic chronograph movement.

  • Pros: Very low cost. Good for a costume or short-term use.
  • Cons: Obvious tells in hand feel and dial print. Mineral glass instead of sapphire. Chronograph may not function well. Strap and clasp feel cheap.

Best for: novelty use, not daily wear.

Genuine IWC IW371747 as the Baseline

The genuine reference sets the standard for every check above. It uses an in-house IWC movement and has factory case finishing.

  • Pros: Correct case thickness, dial layout, and movement. Holds value better than any replica. Serviceable by IWC.
  • Cons: Much higher cost. Requires careful buying to avoid fakes sold as genuine.

Best for: collectors who want the real watch and long-term ownership.

Use-Case Recommendation

If you want the closest look and will wear the watch often, choose a top-tier fake IW371747 and verify the subdial positions at 12 and 6. If you want a casual watch for occasional wear, a mid-tier replica is enough. If you only need a costume piece, a budget replica works but will not fool anyone who knows the reference. For long-term ownership and resale, the genuine IW371747 is the only option that holds value.