Seiko 6R20 Instructions Manual page 10

4. Pull out the crown to the second click when the second hand is at the 12 o'clock
position. (The second hand stops on the spot.)
Turn the crown to advance the hands until the date changes to the next. The time
is now set for the a.m. period. Advance the hands to set the correct time.
5. Push the crown back in to the normal position in accordance with a time signal.
CAUTION
• The mechanism of mechanical watches is different from that of quartz
watches.
When setting the time, be sure to turn back the minute hand a little behind
the desired time and then advance it to the exact time.
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