Hi Lawro_3586
Before we go on, let me ask you a question.
Does the watch you display give you an impression of quality and fine workmanship?
Your answer lies within these clues.
Hi folks,
whats your take on this 377714? I have hard time to find good tails for the reps. Got it from chrono24, maybe im paranoid but something feel fishy. Appreciate all inputs.
Edit: what disturbs me most is the gap between the lug and strap and the warranty is missing infromtion about the Authorised Agent, the signature and official stamp.
Thanks
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Has anyone seen a Cal.88 without serial numbers and markings like this one?
Great post, Marc. This is one of the most detailed and practical breakdowns I’ve seen for spotting fake IWC watches. The side-by-side comparisons and focus on small details like subdial spacing and date disk color are especially helpful. Thanks for sharing your knowledge with the community.
Regards: Youtify CEO
Thank you for putting this together! This is an invaluable resource for anyone looking to buy pre-owned. The side-by-side comparisons really highlight how "the devil is in the details" especially regarding subdial spacing and date disk colors.
For those of us in the community, these "tells" are vital:
Thank you for the information. I’m trying to be a watch collector, but I don’t have much experience. I recently bought a used IWC on EBay, but I have doubts. It was said to be pre owned, had box and papers but it didn’t seem right. Could someone please help me?

stay away from this fake
One thing I've learned is to never rely on just a single detail when checking authenticity. The overall finishing, dial printing, movement, serial numbers, and service history all matter. If there's any doubt, having the watch inspected by an authorized IWC service center is always the safest approach before making a purchase.