The second hand jumps forward every 5 seconds but the watch still keeps time OK.
You need to replace battery.
Q/A from swiss army website.
Q. How do I know when the battery needs changing?
A. In select models, the battery end-of-life indicator signals that the battery should be replaced within two or three days. When the battery is low, the second hand stands still for 2-4 seconds, and then speeds up to the correct time. This indication will last for approximately one week, and then the timepiece hands stand still.
the second hand is not moving on my activa watch
i can hear it ticking but its not moving
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