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１．Make sure that the watch is operating.
※ Always set the time and moon phase when the watch is operating. If the watch is not
operating, wind the mainspring.
７Ｒ８９ → How to manually wind the mainspring on page ７３
５Ｒ７７ → How to manually wind the mainspring on page ７５
２. Pull out the crown to the second click to stop the watch when the second
hand is at the 0 second position.
Pull out the crown to
the second click when
the second hand is at the
0 second position.
HOW TO SET THE TIME AND MOON PHASE (7R89, 5R77)
When setting the time and moon phase, set the time fi rst and then set the moon phase.
２
０ １
■ How to set the time
※ If the crown of your watch is a
screw lock type, unlock the crown.
→ CROWN on page ７１
HOW TO SET THE DATE, TIME, AND MOON PHASE
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Moon phase
０
７
１５
２２
The name of
moon phase
New moon
Quarter moon
Full moon
Waning moon
Moon
phase
display
Ex.1
Ex.2
The shape of the moon on the moon phase display indicates the approximate moon phase.
After setting the time, set the moon phase.
※ The moon phase display shows the phases (waxing and waning) of the moon. The moon phase represents the period from
the time when the last new moon (moon phase: 0.0) occurred to noon of the current day in day increments. The average
length of the period between new moons is approximately 29.5 days.
※ The shape of the moon on the moon phase display shows the moon phase, and does not show the shape of the moon itself.
■ How to set the moon phase
moon
moon
※ When setting the time, refer to ■ How to set the time on page ８６.
HOW TO SET THE DATE, TIME, AND MOON PHASE
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４．Push the crown back in to the normal position simultaneously with a time signal.
※ If the crown of your watch is a
screw lock type, lock the crown.
→ CROWN on page ７１
※ It is designed so that the moon phase changes once every 24 hours while the time is shown by
a 12-hour display.
Push the crown back in to the normal position.
３．Turn the crown in the direction of the arrow mark to set the time.
Set the minute hand about ten minutes behind and then slowly advance the minute hand to the desired time.
２
０ １
HOW TO SET THE DATE, TIME, AND MOON PHASE
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Continued on the next page
１. Check the current moon phase.
※ Check the current moon phase from the weather and moon phase data page in your local newspaper.
※ If the crown of your watch is a screw lock type,
unlock the crown. → CROWN on page 71
２. Make sure that the watch hands do not show any time between the 9 o'clock and 2 o'clock.
If the watch hands show any time between the 9 o'clock and 2 o'clock, pull out the
crown to the second click, then turn the crown to temporarily advance the time
past 2 o'clock. → ■ How to set the time on page ８６
Adjust the time to the correct time after setting the moon phase.
４. Turn the crown in the direction of the arrow mark to hide the moon on
the moon phase display.
３．Pull out the crown to the fi rst click.
Whole moon is hidden (the state
of Moon phase 0 (new moon) )
Pull out the crown to
the fi rst click.
０ １
HOW TO SET THE DATE, TIME, AND MOON PHASE
