Models: 2L75, 4L75, 6L75, 8L75, CR01, 6S37, 6S77, 6S78
CAUTION
Do not amend the date when the watch is displaying between 8:00 p.m. and 2:00 a.m.
If the date is set during this period of time, the date may not change when the next day comes, or this may cause damage.
How to set the time and date
This watch is equipped with the date display function. The date changes once every 24 hours at around midnight.
Therefore, if the a.m./p.m. is incorrectly set, the date will change around 12:00 p.m.
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Make sure that the watch is operating.
To carry out the procedure, please make sure that the watch is in working state. -
Pull out the crown to the first click.
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The date can be adjusted by turning the crown clockwise (12 o’clock direction).
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Pull out the crown to the second click. Pull out the crown when the seconds hand (or the small seconds hand) is at the 12 o’clock position. (The seconds hand or the small seconds hand will stop.)
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Push the crown back into the normal position in accordance with a time signal. The watch starts operating.
Please wind the mainspring when the watch is not working.
How to wind the mainspring
(If the watch is equipped with the screw down crown, unscrew the crown before pulling it out.)

First turn the crown clockwise until the previous day’s date from the desired date appears.
【Ex.】
If you want to set the date to “6,” set the date to “5” by turning the crown clockwise.

Turn the crown clockwise until the desired date appears. The time is now set for the a.m. period. Further turn the crown to set the current time

(If the crown of your watch is a screw lock type, lock the crown.)

CAUTION
Due to its gear train mechanism, for setting the time of the mechanical watch correctly, the hands should be set back once slightly and then set forward to the correct time.
Date adjustment at the end of the month
It is necessary to adjust the date after February (which has 28 days, 29 days in a leap year) and a 30 day month.
【Ex.】
To adjust the date in the a.m. period on the first day of a month following a 30-day month

On the first day, “31” is displayed. Pull out the crown to the first click. Turn the crown clockwise (12 o’clock direction) to set the date to “1”, and push the crown back in to the normal position.
CAUTION
For models with a screw down crown, remember to screw the crown in.
Do not amend the date when the watch is displaying between 8:00 p.m. and 2:00 a.m. Doing so may cause damage.