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The Dropped Wristwatch (illustration)
FILE No.190Unsolved

The Dropped Wristwatch

Difficulty ★☆☆about 5 minTheft CaseWhat is unnaturalDisguise
A wristwatch with its strap still fastened lay at a fork in the road. The pursuer decided the quarry went right. Why?

Case Record

A is running away, chased by B. They reach a fork in the road. B finds a wristwatch lying on the left path. The watch is elegant and expensive, even set with jewels, and its strap is still fastened.

B thought, "He must have gone down the left path," but then thought again: "Wait. He must have gone down the right path."

Your question

What is the most natural reason B changed his mind?

Case Files

Diagram

The fork and the watchLeftRightWatchStrap still fastenedB first thought "left", then "right".
Diagram

Hints

If you get stuck, open the hints one at a time, in order.

Open hint 1

When a watch is dropped, what state is the strap in?

Open hint 2

Why was the strap fastened?

Open hint 3

If it was placed on purpose, which road?

Solve It

Your question

What is the most natural reason B changed his mind?

Choose the answer closest to the truth.

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The Truth

Because the watch looks as if it was dropped on purpose (the strap is still fastened)

The answer is "Because the watch looks as if it was dropped on purpose (the strap is still fastened)."

If a watch is accidentally dropped while on the wrist, the strap comes off or opens as it falls. A strap that is still fastened suggests the watch was taken off and put there. In other words, A may have left it on purpose to deceive his pursuer. It is no proof that he went left. B suspected the watch had been planted to mislead him, and so guessed the opposite, the right path (though A did not necessarily go right).

Whether it is expensive or broken is no basis for judgment. It is not stated that the owner is B.

Accidentally dropped vs. placedCaseLookAccidental dropStrap comes undone or openThis caseStrap still fastenedLikelyTaken off and left deliberately to mislead
Diagram of the solution

Key Points

  • Focus on how unnatural the drop is
  • Something left on purpose points the opposite way
  • It differs from a real lost item

Why people get fooled

Because you think a dropped item is proof of the path taken.

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