At first glance, these two pictures of a man wearing a wristwatch appear completely identical. The same person, the same clothing, and the same pose make this challenge look incredibly easy. But somewhere between the two illustrations, one tiny detail has been changed—and your job is to discover it.

Because there’s only one difference, many people actually find this puzzle harder than challenges containing several changes. Your eyes may keep jumping between the obvious features while completely overlooking the small detail that matters. Look carefully at the man’s face, hair, clothing, hands, and everything around him.

And don’t forget the wristwatch mentioned in the challenge. It could be an important clue—or it could simply be there to distract you.

Give yourself a few moments and make your choice before checking any solution.

Can you spot the single difference without zooming in or asking someone else for help?

Continue below…