Seiko 6A32 Instructions Manual page 14

Battery life indicator
When the second hand starts moving at two-second intervals instead of the normal
one-second interval, replace the battery with a new one as soon as possible.
Otherwise, the watch will stop operating in a couple of days
* The time accuracy is not affected even if the second hand is moving at two-second intervals.
* While the second hand is moving at two-second intervals, the date will not change. This is not a
malfunction.
Checking and adjustment of the calendar after battery change
After the battery is replaced with a new one, be sure to check that the calendar is
correct. If the watch does not indicate the year, month and date correctly, adjust the
calendar. (See "HOW TO CHECK AND ADJUST THE CALENDAR.")
WARNING
Do not remove the battery from the watch.
If it is necessary to take out the battery, keep it out of the reach of children. If
a child swallows it, consult a doctor immediately.
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