Is your IWC
the real deal?
IWC Schaffhausen combines Swiss precision with distinctive design. Learn the key details that separate genuine IWC watches from counterfeits.
How to authenticate an IWC
Probus Scafusia Engraving
Genuine IWC case backs feature "PROBUS SCAFUSIA" (craftsmanship from Schaffhausen). The lettering should be clean and deep.
Serial Number
Located on the case back, verifiable through IWC's records. The engraving should be precise and uniform.
Crown Engraving
The crown features the IWC logo with clean, sharp detail. It should feel solid and operate smoothly.
Dial Typography
IWC dials are known for clean, legible typography. Every character should be perfectly printed with no bleeding or smudging.
Case Proportions
IWC watches have distinctive, well-proportioned cases. The Pilot's Big Crown and Portugieser have signature case shapes fakes rarely replicate accurately.
Common signs of a fake IWC
Missing "Probus Scafusia"
Fakes often omit or misspell this signature engraving that appears on every genuine IWC case back.
Poor Lume Application
IWC applies luminous material with precision. Fakes have uneven, blobby, or inconsistently colored lume on hands and markers.
Wrong Font
IWC uses specific typefaces on their dials that counterfeiters frequently get wrong. Compare against reference images.
Incorrect Case Thickness
IWC Pilot's watches are known for their substantial cases. Fakes are often thinner or have wrong proportions.
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Frequently asked questions
What does "Probus Scafusia" mean?
It's Latin for "Good craftsmanship from Schaffhausen," referring to IWC's home city in Switzerland. This engraving appears on the case back of every genuine IWC watch and has been a hallmark of the brand since its founding.
Are IWC watches hand-finished?
Yes, IWC movements feature hand-finished components including polished screws, beveled edges, and Geneva stripes. The level of finishing varies by collection, with the Portugieser and Grande Complication lines receiving the most elaborate treatment.
How often should I service my IWC watch?
IWC recommends servicing every 5 to 8 years through an authorized service center. Regular servicing ensures accuracy and longevity. Using unauthorized repair services may void your warranty and could compromise authenticity verification.