When the energy stored in the watch is running down, the seconds hand starts moving at two-second intervals.
If the energy runs out, the watch will stop.
If the seconds hand starts moving at two-second intervals, fully charge the watch.
Stopwatch cannot be operated while the seconds hand is moving at two-second intervals (this is not a malfunction).
If the seconds hand starts moving at two-second intervals while the stopwatch is counting, the stopwatch hands return to 0 minute 0 second to reset the measurement.
Alarm time setting cannot be carried out while the seconds hand is moving at two-second intervals.
If the set alarm time is reached while the seconds hand is moving at two-second intervals, the alarm does not sound (the set alarm time will be disengaged).