Page 2 - English
English 2 You are now the proud owner of a SEIKO Duo-Display Watch Cal. H023. For best results, pleaseread the instructions in this booklet carefully before using your SEIKO Duo-Display Watch. Pleasekeep this manual handy for ready reference. Vous voici l’heureux propriétaire d’une montre double aff...
Page 3 - ENGLISH; CONTENTS; Page
3 English ENGLISH CONTENTS Page FEATURES .................................................................................................................. 4 BUTTONS & DISPLAY ................................................................................................ 5 MODE CHANGE ............
Page 4 - SEIKO DUO-DISPLAY QUARTZ; STOPWATCH
English 4 SEIKO DUO-DISPLAY QUARTZ Cal. H023 STOPWATCH FEATURES TIME/CALENDAR ALARM WORLD TIME BATTERY LIFE INDICATOR SCROLL WINDOW ● Fully automatic calendar ● Daylight saving time display ● Time & date of 28 cities (on page15) ● Time transfer function ● World time alarm function ● Measures up ...
Page 5 - Scroll window
5 English BUTTONS & DISPLAY There are four buttons as indicated in the illustration below.[TIME/CALENDAR mode] ★ ★ : City name scrolls from right to left in TIME/CALENDAR SETTING display andWORLD TIME and ALARM modes. Scroll window Hour hand Mode indicator Second hand Minute hand
Page 6 - ALAR; MODE CHANGE; TIME
English 6 ALAR ALARM mode ➡ ➡ CHRO STOPWATCH mode ➡ WORLD WORLD TIME mode ➡ A MODE CHANGE Press repeatedly to select mode. The mode name scrolls from right toleft in the scroll window. ❋ : The flashing STOPWATCH indicator in any display modeshows that the stopwatch iscounting. ★ : When the hourly ti...
Page 8 - TIME/CALENDAR SETTING
English 8 TIME/CALENDAR SETTING * Second hand points at the city previously selected, and the name of the city scrolls inthe scroll window while the other digitaldisplay windows become blank. Press to select the city representingyour area. P r e s s f o r 2 t o 3 s e c o n d s t o s h o wTIME/CALEND...
Page 9 - Press to show “SEC–SET–00”.
9 English C D ➡ Press to select an item(flashing) to beadjusted.With each press of the but-ton, a flashing item changes over inthe following order (See *1 on page 22) City Minute ▲ Second 12-/24-hour display Year Date Month Hour ▲ ▲ ▲ ▲ ▲ ▲ Digital time/calendar setting Analogue time s...
Page 10 - Press for the display selection.
English 10 A D OR Press repeatedly to set Hour andMinute hands to match the digitaltime. (See *3 on page 22) Press for the display selection. Press to return to TIME/CALENDARmode. (See *4 on page 22) C C D Press to select the desired display. ➡ D C A C D B B ▲ ▲ ▲ ▲ * [Day & Date Display] or [Ti...
Page 12 - WORLD TIME MODE; Press to show WORLD TIME mode.; Digital display
English 12 WORLD TIME MODE A Press to show WORLD TIME mode. Time of the selected city City name indicator City hand (Second hand) Selected city (Ex.: Paris) ● Digital display : City name,time, date and day of the week of the city selected from the 28 cities in different time zones throughout the wor...
Page 14 - In WORLD TIME mode; Press to set City (Second) hand to point at the desired city.; TIME TRANSFER FUNCTION
English 14 ➡ B In WORLD TIME mode In TIME/CALENDAR mode Ex. : Time of New York is transferred to TIME/CALENDAR mode: B ▼ C Press to set City (Second) hand to point at the desired city. Press for 2 seconds to transfer the time of the city selected in WORLDTIME mode to TIME/CALENDAR mode. TIME TRANSFE...
Page 15 - TIME DIFFERENCES; GMT = Greenwich Mean Time
15 English * The cities marked with “*” use daylight saving time (summer time). See *7 on page 22* If you live in a time zone not covered in the list above, not all the functions are avairable. In such cases, please consult the nearest SEIKO Service Center as listed in the SEIKO Worldwide Guarantee ...
Page 16 - STOPWATCH MODE; Press to show STOPWATCH mode.; Stopwatch measures up to 100 hours in 1/1000-second increments.
English 16 STOPWATCH MODE Minute Second hand ★ A Press to show STOPWATCH mode. 1/1000 second Second Hour B A D C Mode indicator ● Stopwatch measures up to 100 hours in 1/1000-second increments. (See *8 on page 23) ★ : While the stopwatch is counting, the Second hand indicates the elapsed time in1-se...
Page 17 - STOPWATCH OPERATION; Button C; Accumulated elapsed time measurement
17 English STOPWATCH OPERATION ● Before using the stopwatch, reset the digital counter to read “00:00'00"000” bypressing Button D. C C C C START RESTART STOP STOP ○ ○ ○ D RESET * Stop and restart of stopwatch can be repeated as many times as required by pressing Button C . 2 Accumulated elapsed ...
Page 18 - Lap time measurement; Button D; Timing of two competitors
English 18 C START 3 Lap time measurement D LAP 1 D RELEASE D LAP 2 D RELEASE ○ ○ TOTAL TIME/ STOP D D RESET C FINAL LAP/ STOP RESET * Timing and release of lap times can be repeated as many times as required by pressing Button D . * When Button C is pressed at the end of timing, the final lap time ...
Page 19 - ALARM MODE; Press to show ALARM mode.
19 English ALARM MODE ● World time alarm : The alarm can be set to ring on the basis of the time (standardtime or daylight saving time) of a desired city without any time differenceadjustment. B A C D A Press to show ALARM mode. Selected city (Ex.: London) Mode indicator Alarm indicator Alarm time “...
Page 20 - ALARM TIME SETTING; Hour; Press to adjust the selected item.; Press to return to ALARM mode.
English 20 ALARM TIME SETTING B ➡ City name D Hour ▲ Minute ▲ City ▲ Press for 2 to 3 seconds to show ALARMSETTING display. Press to select the city for which youwish to set the alarm. (See *9 on page 23) Press to select an item (flashing) to beadjusted. With each press of the button,a flashin...
Page 21 - ALARM ENGAGEMENT/DISENGAGEMENT; ALARM TEST
21 English ALARM ENGAGEMENT/DISENGAGEMENT A ▼ C Press to show ALARM mode. With each press, alarm is alternately engaged and disengaged. ALARM TEST Press and hold Buttons C and D at the same time in the TIME/CALENDAR mode. Alarm indicator * The alarm sounds at the designated time for 20 seconds. To s...
Page 22 - NOTES ON OPERATING THE WATCH
English 22 NOTES ON OPERATING THE WATCH *1 • The day of the week is automatically set once the year, month and date are set. • When the time is set in the 24-hour display, the world time and alarm time will also be shown in the 24-hour display. *2 • The digits,other than seconds and “12H”/“24H”, adv...
Page 23 - to another by pressing; Button A; as this will help to preserve the battery life.; time will also be shown in the 24-hour display.
23 English *8 Remarks on stopwatch function: • After 100 hours of counting, the stopwatch will automatically be reset to “00:00'00"000”.• Even while the stopwatch is counting, the display can be changed from STOPWATCH to another by pressing Button A . * The mode indicator for the STOPWATCH mode ...
Page 24 - W h e n a l l i n d i c a t o r s l i g h t
English 24 C D If all indicators of the display light while in theTIME/CALENDAR mode, it is not a malfunction.This happens if Button C and D are pressed at thes a m e t i m e d u r i n g t i m e s e t t i n g . I n s u c h acase,press any one of the four buttons to returnto the TIME/CALENDAR mode. ✩...
Page 25 - BATTERY LIFE INDICATOR; Years; BATTERY CHANGE; Battery life indicator
25 English BATTERY LIFE INDICATOR 2 Years ● When the battery life indicator scrolls in the scroll window,replace the battery with a new one as soon as possible.Otherwise, the watch will stop operating in 2 to 3 days. Wesuggest that you have the battery replaced by a SEIKODEALER. * Even after the bat...
Page 26 - NECESSARY PROCEDURES AFTER CHANGING THE BATTERY
English 26 NECESSARY PROCEDURES AFTER CHANGING THE BATTERY * After the battery is replaced with a new one , or in case an abnormal display (Broken numerals or letters etc.) appear, follow the procedures below to reset the IC. * Selected cities in TIME/CALENDAR, WORLD TIME, and ALARM modes are all re...
Page 27 - WARNING; Do not remove the battery from the watch.
27 English WARNING CAUTION ● Do not remove the battery from the watch. ● If it is necessary to take out the battery, keep it out of the reach of children.If a child swallows it, consult a doctor immediately. ● Never short-circuit, tamper with or heat the battery, and never expose it tofire. The batt...
Page 28 - TO PRESERVE THE QUALITY OF YOUR WATCH; W A T E R R E S I S T A N C E; resistant
English 28 TO PRESERVE THE QUALITY OF YOUR WATCH No No No No Yes No No No Yes Yes No No Yes Yes Yes No ■ W A T E R R E S I S T A N C E Non-water resistant 3 bar 5 bar 10/15/20 bar No indication WATER RESISTANT WATER RESISTANT 10/15/20 BAR Indication on case back WATER RESISTANT 5 BAR Condition of us...
Page 29 - * Pressure in bar is a test pressure and; TEMPERATURES
29 English ● Non-water resistant ● Water resistant 5/10/15/20 bar • If the watch becomes wet, have it c h e c k e d b y a n A U T H O R I Z E DS E I K O D E A L E R o r S E R V I C ECENTER. • Do not operate the buttons when the watch is wet or in water.If used in sea water, rinse thewatch in fresh w...
Page 30 - CARE OF CASE AND BRACELET; CHEMICALS
English 30 ■ CARE OF CASE AND BRACELET T o p r e v e n t p o s s i b l e r u s t i n g o fthe case and bracelet, wipe themperiodically with a soft dry cloth. ■ PERIODIC CHECK I t i s r e c o m m e n d e d t h a t t h ewatch be checked once every 2t o 3 y e a r s . H a v e y o u r w a t c hc h e c k ...
Page 31 - LIQUID CRYSTAL PANEL; Years
31 English ■ LIQUID CRYSTAL PANEL The normal life expectancy fora l i q u i d c r y s t a l p a n e l i sapproximately 7 years. After thati t m a y d e c r e a s e i n c o n t r a s t , ■ STATIC ELECTRICITY T h e I C ( I n t e g r a t e d C i r c u i t ) u s e din your watch will be affected bystati...
Page 32 - SPECIFICATIONS; Desirable temperature range of use .
English 32 SPECIFICATIONS 1 Frequency of crystal oscillator ........... 32,768 Hz (Hz = Hertz ... Cycles per second) 2 Loss/gain (monthly rate) .................... Less than 15 seconds at normal temperaturerange (5 ° C ~ 35 ° C) (41 ° F ~ 95 ° F) 3 Operational temperature range ......... –10 ° C ~ ...
