Q:

What is the purpose of the rotating watch bezel?

A:

Quick Answer

The rotating watch bezel is a reference feature found in watches that is used to indicate elapsed time. It is a standard feature in watches worn by divers.

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What is the purpose of the rotating watch bezel?
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Full Answer

By rotating the bezel and indicating either the starting point of the minute hand, or the point where the minute hand will eventually move towards, a watch can accurately calculate the time elapsed during a dive. The modern rotating bezel is unidirectional; it can only rotate counter-clockwise and this acts as a safety feature in case the bezel is rotated accidentally. In such an accidental rotation, the watch would indicate more elapsed time rather than less.

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