Citizen 8730 Manuale utente

ank you for your purchase of this Citizen watch.

Before using the watch, read this instruction manual carefully to ensure

correct use.

Aer reading, be sure to store this manual in a safe place should it be needed

for future reference.

* e case has dierent features depending on the model. Details of the case

features are not contained in this manual, see “ http://www.citizenwatch.jp/ ”.

The engraving position

may dier depending on

watch model.

To check the movement number

A case number−4 alphanumeric characters and

6 or more alphanumeric characters−is engraved

on the case back. (Figure on the right)

e rst 4 characters of the case number

represent the movement number of the watch.

In the example on the right, “ △△△△ ” is the

movement number.

2 3

Safety precautions

is manual contains the following instructions that should be strictly

followed at all times to prevent injury to yourself and other persons as well

as damage to property.

• Injuries and damage that might be caused by using the watch improperly or neglecting

any of the instructions or precautions contained in this manual are classied with the

following symbols.

• Important instructions that should be followed are classied with the following symbols.

Please be sure to peel o protective stickers before wearing the watch if glass and

metal parts of the watch (case, metal band, and metal parts of the clasp) are covered

with the stickers. Perspiration or moisture may enter the gaps between the stickers

and the parts, which may result in a skin rash and/or corrosion of the metal parts.

Do not attempt to adjust the watchband (including the metal and rubber type) by

yourself (except watches with accessory tool for band adjustment). Doing so may result in

dropping the watch or injury during the adjustment. Please contact your dealer or Citizen

Customer Support Center for adjustment of the band; otherwise, adjustment may not be

possible or not be free of charge.

DANGER Highly likely to cause death or serious injury.

WARNING Can cause serious injury or death.

CAUTION Can or will cause minor or moderate injury or damage.

Warning (caution) symbol followed by instructions that should

be followed or precautions that should be observed.

Warning (caution) symbol followed by prohibited matters.

4 5

Table of Contents

1. Your Watch …………………………………………………………6

2. Operating the Crown ………………………………………………7

3. Part Names …………………………………………………………8

4. Setting the Time and Date …………………………………………10

5. Adjusting the Time and Date ………………………………………12

• Adjusting the day of week …………………………………………12

• Adjusting the moon phase ………………………………………12

• Adjusting the day of month and month …………………………14

• Setting the Time …………………………………………………16

6. Characteristics of the Solar Powered Watch ………………………18

• Insucient Charge Warning Function ……………………………20

• Overcharging Prevention Function ………………………………21

• Quick Start …………………………………………………………21

• Guide to Charging Time ……………………………………………22

7. Solar-Powered Watch Handling Precautions ………………………23

8. Precautionary Items and Usage Limitation ………………………24

9. Warranty and Service ………………………………………………34

10. Specications ………………………………………………………36

6 7

1. Your Watch

is watch includes a solar cell surrounding its face and is driven by

converting solar energy into electric energy.

Other Features

•For the date, the numbered day of the month is indicated using a special

hand, and the month and day of the week are indicated in display windows.

•e watch is equipped with a moon phase indicator.

2. Operating the Crown

Some models use screw down system for the crown.

Accidental operations can be prevented when the watch is not being

operated by locking the crown. To operate the watch, release the lock.

• If your watch does not have a screw down crown, operations can be

performed without locking or unlocking the crown.

When the screw lock is released, the

crown extends to the normal position.

Lock the crown

Press the crown

and rotate it

to the right

(clockwise) to

tighten the screw

lock.

Unlock the crown

Rotate the crown

to the le 2

Before operation After operation

8 9

3. Part Names

Second hand

Moon phase

Normal

position

Day of week

(English only)

Day hand

Month

(English only)

Crown

Time adjustment position

(Time and day of week

adjustment)

Date adjustment position

( Day of month and moon phase

adjustment)

Month adjustment

button

• Use an object with a

slender tip to press

the hidden push

button.

0 1

e illustrations shown in this manual may dier from the actual watch you have purchased.

is manual describes the operation procedures for watch models that have a push button at

the 2:00 position and a crown at the 3:00 position. is manual describes the operation procedures for watch models of the illustration 1.

2 0 1 2

Second hand

Moon phase Normal

position

Day of week

(English only)

Day hand

Month(English only)

Crown

Time adjustment position

( Time and day of week

adjustment)

Date adjustment position

( Day of month and moon

phase adjustment)

Month adjustment

button

1011

Adjusting the day of

month

• Crown in position 1

• Turn the crown to

the left

Adjusting the day of week

• Crown in position 2

• Turn the crown to the right

(The day of week begins

changing at the 12:00

position. To change to the

next day of week, make the

hour hand go around twice.)

4. Setting the Time and Date

0 1 2

When adjusting both the time and date, it is convenient to make settings in the order of

"day of week", "moon phase", "month and day of month", and then "time of day".

Temporarily set the day of

month to "30"

When the day of

month to be set is from

the 31st to the 2nd

When the day

of month to be

set is from the

3rd to the 30th

Moon

phase

Day of week

(English

only)

Day of

month Month

Crown

Position 2

Adjusting the time

and day of week

Position 1

Adjusting the day

of month and

moon phase

Month adjustment

button

Return the crown

to the normal

position.

Conrm the

day of month

to be set.

Adjusting the

moon phase

• Crown in

position 1

• Turn the crown

to the right

Adjusting the day

of month

• Crown in position 1

• Turn the crown to

the left

Adjusting the

month

• Press the month

adjustment

button

Adjusting the month

• The month changes

each time the month

adjustment button is

pressed

Adjusting the day

of month

• Crown in position 1

• Turn the crown to

the left

Adjust to the

day of month for

the current day

Adjust to the day of month

for the current day

Setting the time

• Crown in position 2

• Advance the

minute hand and

hour hand by

turning the crown

to the right

Turn the crown to

the left to move

the hands back

12 13

5. Adjusting the Time and Date

1. Pull out the crown to position 2 (time and day of week adjustment).

2. Turn the crown to the right (clockwise) to set the day of week for the current day.

• The day of week begins to change starting at about midnight and is

nished changing by about 5:00 a.m.

1. Pull out the crown to position 1

(date adjustment position).

2. Turn the crown to the right

(clockwise) to set the moon

phase for the current day.

Look up the moon phase for

today in the newspaper or another

source and adjust while referring

to "Viewing the moon phase".

e moon phase indicator does not display the exact shape of the moon.

Use it as a guide to estimate the moon phase.

e moon phase can be more accurately adjusted by adjusting on the day of

the new moon (when the moon indicator is completely hidden on the moon

phase, day 0) or full moon (when the moon indicator is straight up on the

moon phase, day 15).

0 1 2

Moon phase

Day

week

Day of month Month

Crown

Position 2

Adjusting the

time and day

of week

Position 1

Adjusting the day of

month and moon phase

Month

adjustment

button

* The indicator may dier depending on the model.

New moon

Moon phase:

Day 0

(Spring tide)

First quarter moon

Moon phase:

Approx. day 7

(Neap tide)

Full moon

Moon phase:

Approx. day 15

(Spring tide)

Last quarter

Moon phase:

Approx. day 22

(Neap tide)

1415

1. Pull out the crown to position 1 (date

adjustment position).

2. Adjust the day of month and the month.

• e day of month rotates to the right

when the crown is turned to the le.

• Pressing the month adjustment

button changes the month.

[When the day of month to be set is the 1st or 2nd]

①First, temporarily set the day of month to the 30th.

② Press the month adjustment button to temporarily set the month to one

month before the current month.

Example: Set to December when making settings for January.

Set to February when making settings for March.

③Turn the crown to the le to set the day to the 1st or the 2nd for the

correct day of month.

e month changes to the current month at the same time the day of

month changes from the 31st to the 1st.

3. Return the crown to the normal position.

• Due to the construction of the mechanism, temporary adjustment is

required in order to set the correct date.

[When the day of month to be set is from the 3rd to the 30th]

①Turn the crown to the le to set the day hand to the current day of the month.

②Press the month adjustment button to set the month to the current month.

[When the day of month to be set is the 31st]

①First, temporarily set the day of month to the 30th.

②Press the month adjustment button to set the month to the current month.

③Turn the crown to the le to set the day to the 31st for the correct day of

month.

0 1

Crown

Position 1

Month

adjustment

button

1617

1. When the second hand reaches the 12:00

position, pull out the crown to position 2

(time adjustment position).

2. Turn the crown to the right (clockwise)

to adjust the time.

Adjust the time while paying attention to

a.m./p.m. by noting the time at which the

date changes.

3. Set the time to the time signal time, etc. and

return the crown to the normal position.

[NOTE]

①If you adjust the day of month when a time between 9:00 p.m. and

12:00 midnight is being displayed, the day of month sometimes does

not change to the next day even if the actual date changes. Avoid

changing the day of month during this time period.

②The day of month indicated by this watch follows a 31-day cycle.

To advance to the 1st of the next month after a short month (a month

having 30 days or February), pull out the crown to position 1 and turn

it to the left.

③Avoid adjusting the month when the day hand indicates a day from

the 31st to the 2nd.

To make adjustment during this period, first set the day of month

outside the range of the 31st to the 2nd, and then adjust the month.

Then, set the day of month that the day hand should point to.

Crown

Position 2

01 2

[Hints for accurate adjustment]

e time can be more accurately adjusted by rst stopping the second hand

at the 12:00 position, advancing 4 to 5 minutes past the time that the hour

and minute hand are to be set to, and then set the current time by backing

the hands into position by rotating the hands counterclockwise.

1819

6. Characteristics of the Solar Powered Watch

When the watch is insuciently charged, the indication will be changed as follows:

[Normal indication]

The second hand moves at

1-second intervals

[Insucient charge warning]

The second hand moves at

2-second intervals

[Stopped status]

The watch stops

The watch has been insufficiently charged because

the watch face has not received sufficient light

As rechargeable cell

capacity diminishes

without charging

As the battery recharges

The watch must be subjected to enough light for a sucient charge until

the watch hands begin moving.

The second hand starts moving at 2-second intervals.

The display time will be incorrect because the watch has stopped

due to insucient charge. Adjust to the correct time.

2 second

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