Seiko W851 User manual

You are now the proud owner of a SEIKO Digital Quartz Watch Cal.
W851. For best results, please read the instructions in this booklet
carefully before using your SEIKO Digital Quartz Watch. Please keep
this manual handy for ready reference.
Enhorabuena por su adquisición de un reloj SEIKO digital de cuarzo
Cal. W851. Para óptimo resultado, lea detenidamente las instrucciones
de este folleto antes de usar el reloj. Guarde este manual para consulta
posterior.

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English
ENGLISH
CONTENTS
Page
MODE CHANGE ...................................................................................................... 4
TIME/CALENDAR MODE ........................................................................................ 6
ALARM MODE ........................................................................................................ 10
STOPWATCH MODE ............................................................................................... 12
TIMER MODE .......................................................................................................... 15
WORLD TIME MODE .............................................................................................. 18
ILLUMINATING LIGHT ............................................................................................. 21
NOTES ON USING THE WATCH ............................................................................. 22
BATTERY CHANGE .................................................................................................. 25
TO PRESERVE THE QUALITY OF YOUR WATCH ................................................... 27
SPECIFICATIONS ..................................................................................................... 31

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English
CAL. W851
TIME/CALENDAR WORLD TIME
●The time of 38 cities in different time zones
throughout the world can be displayed
together with their respective country
codes for making overseas telephone calls.
BUTTON OPERATION CONFIRMA-
TION LIGHT
●The display is illuminated for 2 seconds
with each press of any of the buttons.
ILLUMINATING LIGHT
(ELECTROLUMINESCENT PANEL)
FULL-PANEL DOT-MATRIX LIQUID
CRYSTAL PANEL
●Choice of normal and enlarged displays
can be made.
ALARM
●The alarm can be set to ring daily at five
different times a day.
STOPWATCH
●Measures up to 10 hours in 1/100 second
increments.
●Memory recall function: Up to 199 lap and
split times can be stored in memory.
TIMER
●Preset timer function: 10 different lengths
of time have been preset.
●Adjustable timer function: Can be set for
up to 9 hours and 59 minutes in one-
minute increments.

4
English
MODE CHANGE
●Selection of a desired mode can be made by pressing the corresponding button in the
MENU display.
* When the desired mode is selected, an opening graphic display is shown before the selected mode
appears.
[MENU display]
A
B
➡
TIME/CALENDAR
mode
➡
ALARM mode C
D
E
➡STOPWATCH mode
➡TIMER mode
➡WORLD TIME mode
●To change from one mode to another, press button A to return to the MENU display, and
then press the corresponding button to select the desired mode.

5
English
●If “CHR” is flashing in the MENU display, the measurement is in progress in the STOPWATCH
mode.
●CHANGING BETWEEN NORMAL AND ENLARGED DISPLAYS
✩In all modes, you can choose between the normal display that shows all the data in four
rows and the enlarged display that shows the main data in three rows.
DWith each press, the normal and enlarged displays alternately appear.
Ex. : In TIME/CALENDAR mode
[Normal display]
D
[Enlarged display]
D

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TIME/CALENDAR MODE
●Once the time/calendar of your area is set in the TIME/CALENDAR mode, the times of the
38 cities covered in the WORLD TIME mode will be set automatically.
●You can choose between standard time and daylight saving time.
Press in MENU display to show TIME/CALENDAR mode.
A
BC
D
E
Date
Time
“EL”mark
Month
Daylight saving time mark
Hourly time signal markDay
A

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TIME/CALENDAR SETTING
B
DPress repeatedly to select the digits (flashing) to be adjusted.
▼
C
▼
Press to set the flashing digits. (Increasing order)
Press and hold for 2 to 3 seconds to show TIME/CALENDAR SETTING display.
▼
▼
EPress to set the flashing digits. (Decreasing order)
or
▲
City Standard time/
daylight saving time
▲
▲
▲
Minutes
Seconds
Hour
▲
▲
▲
▲
▲
Month
Year Date
12-/24-hour
indication
BPress to return to TIME/CALENDAR mode.

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●SHOWING THE SELECTED CITY
APress to show the city selected for TIME/CALENDAR mode.
●TURNING ON/OFF OF THE HOURLY TIME SIGNAL AND BUTTON OPERATION
CONFIRMATION SOUND
Hourly time signal mark
CCWith each press in TIME/CALENDAR mode,
the hourly time signal and button operation
confirmation sound are alternately turned
on and off.
* When the hourly time signal mark is displayed, the
hourly time signal rings every hour on the hour and
the confirmation sound beeps with each press of
the buttons.
●DEMONSTRATION FUNCTION
✩Provided with a demonstration function, the watch shows the displays in each mode.
Press and hold for 3 seconds in TIME/CALENDAR mode to start the demon-
stration.
E
* The name of the selected city is displayed in place of the day, scrolling from right to left, and
then the day is displayed again.

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* The name of the selected city appears in place of the day, and then the demonstration display
will start, showing the display of each mode repeatedly.
* To stop the demonstration, press any of the buttons.
●ADJUSTING THE CONTRAST ON THE DISPLAY
✩The contrast on the liquid crystal display can be adjusted in 16 steps from level “0” to
“15”.
CCPress and hold for 5 to 6 seconds in TIME/
CALENDAR mode to show the CONTRAST
ADJUSTMENT display.
C
E
or
B
▼
▼
Press repeatedly to adjust the contrast. (In-
creasing order)
Press repeatedly to adjust the contrast. (De-
creasing order)
Press to return to TIME/CALENDAR mode.
Contrast level
B
E

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A
B
ALARM MODE
●The alarm can be set to ring daily at five different times a day.
●The alarms can be engaged and disengaged independently of one another.
BPress in MENU display to show ALARM mode.
C
D
E
Current time
Set alarm time “ON”/“OFF”mark
Alarm channelAlarm mark
ALARM TIME SETTING
EPress to select the desired alarm channel (Ch.-1 – Ch.-5).
▼

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Press and hold for 2 to 3 seconds to show ALARM SETTING display.
▼
D
▼
▲
Minutes
Hour
▲
Press to select the digits (flashing) to be ad-
justed.
▼
C
E
B
Press to set the flashing digits. (Increasing order)
or
Press to set the flashing digits. (Decreasing order)
▼
Press to return to ALARM mode.
B
* The alarm and “ON”marks are displayed and the alarm is automatically engaged.
C
E
CWith each press, the selected alarm
is alternately engaged and disen-
gaged.
E
▼
Press to select the desired alarm chan-
nel (Ch.-1 – Ch.-5).
Alarm
mark
“ON”
mark
●ALARM ENGAGEMENT/DISENGAGEMENT

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English
STOPWATCH MODE
●The stopwatch measures up to 10 hours in 1/100 second increments.
Standard measurement
C
START
C
STOP RESET
E
▼
▼
CPress in MENU display to show STOPWATCH mode.
Current time
C
D
EA
B
Time measured
STOPWATCH OPERATION

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C
START
C
STOP RESTART
▼
▼
C
STOP RESET
E
▼
C
○○○○
▼
* Restart and stop of the stopwatch can be repeated by pressing button C.
Lap time and split time measurement
C
START
▼
▼
C
STOP RESET
E
▼
○○○○
▼
EE
Accumulated elapsed time measurement
LAP/SPLIT 1 LAP/SPLIT 2
* Measurement of lap time and split time can be repeated by pressing button E.
* The lap time and split time measured remain displayed for 10 seconds together with the flashing
lap number. Then the display automatically returns to the measurement in progress and the lap
number increases by one.
Split time
Lap No.
Lap time

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●MEMORY RECALL FUNCTION
✩The first 199 lap and split times are automatically stored in memory.
✩The stored data can be recalled either during or after the measurement.
BC
E
BPress to activate the memory recall function.
C
E
B
▼
▼
With each press, the stored data are recalled
from the oldest to the newest.
With each press, the stored data are recalled
from the newest to the oldest.
Press to return to STOPWATCH mode.
Recall mark
or
* In memory recall after measurement, the oldest
measurement in memory is displayed first.
In memory recall during measurement, the newest one is
displayed first.

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English
TIMER MODE
●Two types of timers are available: 10-channel preset timer and adjustable timer.
●The adjustable timer can be set for up to 9 hours and 59 minutes in one minute increments.
DPress in MENU display to show TIMER mode.
C
D
EA
B
Number of times the
countdown is repeated
Set time
Current time
PRESET TIMER SETTING
EPress repeatedly to select the desired preset time.

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▲
▲
3 minutes 4 minutes
▲
5 minutes
▲
1 minute 2 minutes
▲
10 minutes
▲
▲
15 minutes
▲
30 minutes
▲
45 minutes
▲
1 hour
▲
Adjustable
timer
ADJUSTABLE TIMER SETTING
E
D
▼
▼
B
▼
▲
Minutes
Hour
▲
▼
C
E
Press to set the flashing digits. (Increasing order)
or
Press to set the flashing digits. (Decreasing order)
▼
Press and hold for 2 to 3 seconds to show ADJUSTABLE TIMER SETTING
display.
Press to select the adjustable timer (See above).
Press to select the digits (flashing) to be ad-
justed.

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English
BPress to return to TIMER mode.
TIMER OPERATION
C
START
C
STOP RESTART
▼
▼
C
STOP RESET
E
▼
C
○○○○
▼
* Restart and stop of the timer can be repeated by pressing button C.
* When the set time is up, a warning sound beeps for 5 seconds. To stop it manually, press any of
the buttons.

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English
A
B
WORLD TIME MODE
●The time of 38 cities in different time zones throughout the world can be displayed together
with their respective country codes for overseas telephone calls.
EPress in MENU display to show WORLD TIME mode.
C
D
E
Current time of
selected city
City mark
Cor EPress to select the desired city.
* The name of the selected city scrolls from right to left.
Country code

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English
●CHANGEOVER BETWEEN STANDARD TIME AND DAYLIGHT SAVING TIME
B
* With each press of button B, the standard time and daylight saving time of the selected city
are alternately shown.
If daylight saving time is in effect in the selected city, press to show it.
GMT = Greenwich Mean Time (As of April 1998)
GMT
±(hours)
0
0
+ 1
+ 1
+ 1
+ 2
+ 2
+ 2
+ 3
+ 3
+ 3
+ 3.5
+ 4
+ 4.5
City mark
G M T
L O N
P A R
R O M
B E R
A T H
C A I
J R S
M O W
J E D
R U H
T H R
D X B
K B L
City name
Greenwich
London*
Paris*
Rome*
Berlin*
Athens*
Cairo*
Jerusalem*
Moscow*
Jeddah
Riyadh
Tehran*
Dubai
Kabul
Country name
United Kingdom
United Kingdom
France
Italy
Germany
Greece
Egypt
Israel
Russia
Saudi Arabia
Saudi Arabia
Iran
United Arab Emirates
Afghanistan
Country code
44
44
33
39
49
30
20
972
7
966
966
98
971
93
●TIME DIFFERENCES AND COUNTRY CODES

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GMT
±(hours)
+ 5
+ 5.5
+ 6
+ 6.5
+ 7
+ 8
+ 8
+ 9
+ 9.5
+ 10
+ 11
+ 12
- 10
- 9
- 8
- 8
- 7
- 6
- 5
- 5
- 4
- 3
- 3
- 1
City mark
K H I
D E L
D A C
R G N
B K K
H K G
B J S
T Y O
A D L
S Y D
N O U
W L G
H N L
A N C
Y V R
L A X
D E N
C H I
N Y C
Y M Q
C C S
B U E
R I O
P D L
City name
Karachi
Delhi
Dhaka
Yangon
Bangkok
Hong Kong
Beijing
Tokyo
Adelaide*
Sydney*
Nouméa
Wellington*
Honolulu
Anchorage*
Vancouver*
Los Angeles*
Denver*
Chicago*
New York*
Montreal*
Caracas
Buenos Aires
Rio de Janeiro*
Azores Is.*
Country name
Pakistan
India
Bangladesh
Myanmar
Thailand
China
China
Japan
Australia
Australia
New Caledonia
New Zealand
U.S.A.
U.S.A.
Canada
U.S.A.
U.S.A.
U.S.A.
U.S.A.
Canada
Venezuela
Argentina
Brazil
Azores Islands
Country code
92
91
880
95
66
852
86
81
61
61
687
64
1
1
1
1
1
1
1
1
58
54
55
351
* The cities marked with “*”use daylight saving time (summer time).