G90
Table of contents
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32
CONTENTS
1. Features...................................................................................................................... 3
2. Names of Components .............................................................................................. 4
3. Before Using .............................................................................................................. 6
4. Setting the Reference Position ................................................................................. 8
5. Confirming the Time with the Electronic Tone (Minute Repeater)................... 11
6. Setting the Time and Date...................................................................................... 13
7. Daily Alarm (H-AL)................................................................................................ 18
8. Local Time (L-TM) ................................................................................................. 20
9. Local Alarm (L-AL)................................................................................................ 21
10. Seconds Correction Function (0-SET) .................................................................. 23
11. Functions Unique to Solar-Powered Watches ...................................................... 26
12. General Reference for Charging Times ................................................................ 28
13. Solar-Powered Watch Handling Precautions....................................................... 30
14. Replacing the Secondary Battery .......................................................................... 31
15. Troubleshooting ...................................................................................................... 32
16. Precautions ............................................................................................................. 34
17. Specifications ........................................................................................................... 40
1. Features
This watch is equipped with numerous functions including a minute repeater function
(chime function) that informs you of the time with an electronic tone as well as the
following functions:
1. perpetual calendar that automatically corrects the date, including leap years;
2. daily alarm that sounds the alarm at the set time every day;
3. local time that displays the time in a region or foreign country located in a different
time zone; and,
4. local alarm that sounds an alarm tone at the set time every day based on the time in
the region or foreign country set in the local time mode.
Moreover, this watch is also equipped with a photoelectric power generation function
that drives the watch by containing a solar cell in its face that converts light energy into
electrical energy.
English
4 5
Main watch hour hand
Sub watch hour hand
· Local time hour hand
· Alarm hour hand
· Year hand (no. of
years elapsed from
most recent leap
year)
Button (A)
Main watch second hand
Crown
AM/PM hand
Button (B)
* The illustrations shown in this manual may differ from
the actual watch you have purchased.
Button (C)
Main watch minute hand
Sub watch minute hand
· Local time minute hand
· Alarm minute hand
· Month hand
Date & mode hand
2. Names of Components
Button Main Operations
Button (A)
· Setting of local time
· Setting year and month
· Recalling year and month
Button (B)
· Minute repeater function
· Setting date hand
· Switching alarm ON/OFF
Button (C)
· Switching the mode
· Checking the reference
position
[NOTE]
Switches are not activated even when
buttons (A) and (B) are pressed when
the sub watch hour hand and sub
watch minute hand are moving in
coordination. Try pressing the button
again after checking that the hands
have stopped moving.
7
· Check that each hand indicates the following positions.
Date & mode hand: 0-SET
Sub watch hour hand, sub watch minute hand: 12:00 position
AM/PM hand: Top of the AM zone
(2) After having checked the reference position, press button (A), (B) or (C) to return the
watch to the time display. (In addition, the watch automatically returns to the time
display after 20 seconds if none of the buttons are pressed.)
* If any hand does not indicate the reference position, set the reference position for each
hand by following the procedure described in "4. Setting the Reference Position" on
the following page.
6
3. Before Using
Check the reference position of each hand by following the procedure described below
before using the watch to ensure that each function operates properly.
Reference Position: This is the default position of each hand for ensuring
that the watch functions properly.
1. Checking the Reference
Position
(1) Set the crown to the normal position.
· Press button (C) for about 3 seconds
or more until the date & mode hand
moves to the reference position
confirmation mode (0-SET).
PM
0-SET
AM
Button
(C)
8 9
4. Setting the Reference Position
The functions of the watch will not operate properly if the reference position has shifted.
If this happens, set the reference position by following the procedure described below.
1. Perform the all-reset procedure
(1) Pull the crown out to Position 2.
(2) Press buttons (A), (B) and (C) simultaneously for 2 seconds or more.
(3) The date & mode hand, sub watch hour hand and sub watch minute hand move back
and forth in that order when the
buttons are released.
A confirmation tone sounds
after the hands have finished
moving.
· Next, proceed to setting the
reference position.
If the crown is returned to the normal position or Position 1 after performing the allreset procedure without setting the reference position, the "Reference Position
Setting Warning" will be activated and the date & mode hand will move in the
counter-clockwise direction to indicate that the reference position has not been set.
Pull the crown out to Position 2 again and perform the procedure described in
"Setting the Reference Position" above.
2. Set the reference position
(1) Press button (A) to align the sub watch
hour hand and sub watch minute hand at
the 12:00 position.
[NOTE]
· Advance the sub watch hour hand and sub
watch minute hand until the AM/PM hand
points to the bottom of the PM zone. The
AM/PM hand moves in coordination with the
sub watch hour hand and sub watch minute
hand.
Crown pulled out
to Position 2
PM
AM/PM hand
AM
Button (C)
Button (A)
Button (B)
10 11
(2) Press button (B) to align the date & mode hand at the "0-SET" position.
· Pressing button (A) or (B) continuously causes the hands to advance continuously.
(3) Always make sure to return the crown to the normal position.
· The AM/PM hand moves to the AM zone.
* After setting the reference position, always make sure to reset the time (main watch
time, sub watch time) and date.
5. Confirming the Time with the Electronic Tone (Minute Repeater)
· This convenient function informs you of the time (hours, minutes) with an electronic
tone.
[Confirmation Procedure]
* The watch informs you of the current time
with an electronic tone when button (B) is
pressed for about one second in the time
mode.
· The crown must be at the normal position.
<Interpreting the Electronic Tone>
Hours: A high-pitch tone sounds for the
number of hours (since there is no
distinction between AM and PM,
check the position of the AM/PM
hand to determine AM or PM).
Button (B)
12 13
Minutes: A combination high-pitch tone and low-pitch tone sounds for each 15 minute
period followed by a low-pitch tone sounding for the remaining number of
minutes.
<Example>
Time on the sub watch is 4:48 (check the AM/PM hand to determine whether this time is
AM or PM).
4 hours: A high-pitch tone sounds four times (1 hour
M
4 times).
45 minutes: A combination low-pitch and high-pitch tone sounds three times
(15 minutes
M
3 times).
3 minutes: A low pitch tone sounds three times (1 minute
M
3 times).
6. Setting the Time and Date
1. Setting the Main Watch Time
Once the time on the main watch has been set, always make sure to align the time on
the sub watch with the time on the main watch. The minute repeater and each of the
alarm functions will not operate properly if the times on the main watch and sub
watch are not aligned.
(1) Pull the crown out to Position 2 when the second hand reaches 0 seconds.
(2) Turn the crown to the right to set the
hour and minute hands.
[NOTE]
· Continue by aligning the time on the sub
watch with the time on the main watch.
Position 2
Main watch
hour hand
Second hand
Main watch minute
hand
14 15
2. Setting the Sub Watch Time
(1) Press button (A) to align the time on the
sub watch with the time on the main
watch.
· Continuously pressing button (A) causes
the hands to move continuously.
· Check the position of the AM/PM hand
to ensure that AM and PM are set
correctly.
(2) When the crown is pushed in to the
normal position in synchronization with a telephone time signal or other time
service, the main watch hour hand and main watch minute hand begin to move from
the 0 seconds position.
· If the time on the sub watch is not set after setting the reference position and setting
the time on the main watch, the time setting warning function will be activated and
the date & mode hand will advance rapidly in the clockwise direction.
3. Setting the Date
(1) Pull the crown out to Position 1.
· The sub watch hour hand indicates the year
(no. of years elapsed from most recent leap
year), while the sub watch minute hand
indicates the month.
· The date & mode hand indicates the date.
(2) Press button (A) to set the month and year
(no. of elapsed years from most recent leap
year).
· The display advances by one month each
time button (A) is pressed.
· The sub watch hour hand automatically
returns to January of a leap year after having
indicated December of the third year from
the most recent leap year.
Sub watch
hour hand
PM
AM
AM/PM hand
Sub watch minute hand
Month
Position 1
Year (no. of
elapsed years
from most recent
leap year)
Date
<Reading the Year (No. of elapsed
years from most recent leap year)>
Button (B)
Button (A)
Button (B)
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