Citizen Promaster Sky Super Skyhawk JY0080-62E Instruction Manual page 54

To avoid hand misalignment by impacts or magnetism
Impact detection function:
This function prevents unwanted movement of the hour, minute and second hands when the watch
receives an impact.
Hand correction function (hand reference position auto-correction function):
The reference position of the hands is checked at regular intervals, and if there is any misalignment,
the hour, minute and second hands are rapidly corrected to maintain the correct time.
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