Cal. W620 INSTRUCTIONS (P. BEDIENUNGSANLEITUNG (S. 25) 3) INSTRUCTIONS (P. 48) ISTRUZIONI (P. 70) INSTRUCCIONES (P. 93) INSTRUÇÕES (P.
English You are now the proud owner of a SEIKO Digital Quartz Watch Cal. W620. 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. Sie sind jetzt Besitzer einer SEIKO Digital-Quarzuhr Kal. W620. Bitte lesen Sie diese Bedienungsanleitung vor Verwendung der Uhr sorgfältig durch und heben Sie sie gut auf. Vous voici l’heureux propriétaire d’une montre numérique SEIKO quartz Cal. W620.
Page MODE CHANGE ...................................................................................................... TIME/CALENDAR MODE ........................................................................................ STOPWATCH MODE ............................................................................................... STROKE MODE ....................................................................................................... TIMER MODE .............................................
English CAL. W620 TIME/CALENDAR STOPWATCH ● The stopwatch measures up to 10 hours in 1/100 second increments. ● Memory recall function: Up to 8 lap times can be stored in memory. STROKE FUNCTION ● The number of strokes per minute is automatically calculated by measuring the time required to make three strokes. TIMER ● Preset timer function: 9 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.
MODE CHANGE Mode mark (No mode mark in TIME/ CALENDAR mode) English C B CHRO A D E With each press, the mode changes in the following order: TIME/ CALENDAR mode ➡ STOPWATCH mode ➡ STROKE mode ➡ TIMER mode ➡ ALARM mode ➡ A 5
English TIME/CALENDAR MODE TIME/CALENDAR SETTING A Press to show TIME/CALENDAR mode. ▼ B C ▼ C Select the digits to be adjusted. Minutes ▲ Seconds D ▲ A Press for 2 to 3 seconds. ▼ Hour ▲ B ▲ Date Year ▲ ▲ ▲ 12-/24-hour indication Month ▼ D Set the flashing digits. ▼ B 6 Return to TIME/CALENDAR mode.
A English STOPWATCH MODE ● The stopwatch measures up to 10 hours in 1/100 second increments. ● The first 8 lap times are automatically stored in memory. Press to show STOPWATCH mode.
START STOP ○ ○ ○ ○ RESTART C D ▼ C ▼ C ▼ C ▼ English Accumulated elapsed time measurement STOP RESET * Restart and stop of the stopwatch can be repeated by pressing button C. START LAP 1 ○ LAP 2 ○ ○ ○ C STOP D ▼ D ▼ D ▼ C ▼ Lap time measurement RESET * Measurement of lap time can be repeated by pressing button D. ● MEMORY RECALL FUNCTION The stored data can be recalled either during or after the measurement.
STROKE MODE A Press to show STROKE mode. C C PACE Press to start measurement. ▼ C A English ● The number of strokes per minute is automatically calculated by measuring the time required to make three strokes. Press to stop measurement when the third stroke is made. * The number of strokes per minute will be displayed.
English TIMER MODE ● Two types of timers are available: preset timer and adjustable timer. A Press to show TIMER mode. B C Current time Number of times the countdown is repeated Set time TMR A D PRESET TIMER SETTING Select the preset time.
B English ADJUSTABLE TIMER SETTING Press for 2 to 3 seconds. C Select the digits to be adjusted. Hour ▼ D ▲ ▼ ▼ Minutes ▲ Set the flashing digits. ▼ B Return to TIMER mode. ○ ○ ○ ○ C STOP ▼ C RESTART ▼ C STOP ▼ C START ▼ TIMER OPERATION D RESET * When the set time is up, a warning sound beeps for 5 seconds. To stop it manually, press any one of the buttons.
English ALARM MODE ● The alarm can be set to ring on a 24-hour basis. ALARM TIME SETTING A Current time Press to show ALARM mode. ▼ B B C ▼ C Select the digits to be adjusted. D Set alarm time “on”/“– –” (alarm engagement/ disengagement) mark ▲ Hour ALM A Press for 2 to 3 seconds. ▼ Minutes ▲ ▼ D Set the flashing digits. ▼ B Return to ALARM mode. * The alarm is automatically engaged.
● ALARM ENGAGEMENT/DISENGAGEMENT With each press in ALARM mode, the alarm is alternately engaged and disengaged. English C C “on”/“– –” (alarm engagement/disengagement) mark ALM * At the designated time the alarm rings for 20 seconds, and the display is illuminated as the alarm rings. To stop them manually, press any of the buttons.
English ILLUMINATING LIGHT (Electroluminescent panel) E E 14 Turn on the illuminating light. * The display panel is illuminated for 3 seconds.
● If the stopwatch is not reset to “00” and button A is pressed to change the mode from the STOPWATCH, the TIMER mode appears, skipping the STROKE mode. English NOTES ON USING THE WATCH MODE CHANGE TIME/CALENDAR MODE ● In setting the seconds, when the seconds read any number from “30” to “59” and button D is pressed, one minute is added and the seconds are reset to “00”.
English STROKE MODE ● The time required to make each stroke is measured up to 9 seconds and 99 in 1/100 second increments. ● The measurable number of strokes per minute is between 18 and 240. ● The stroke and stopwatch functions cannot be used simultaneously. ● If the measurement is stopped within 0.75 seconds after it is started, “- - -” is displayed. If the measurement is not stopped after more than 10 seconds have elapsed, “Err” will automatically appear.
ILLUMINATING LIGHT (Electroluminescent panel) English ● The electroluminescent panel loses its luminance as the battery voltage decreases. Also, its luminance level decreases gradually with use. ● When the illuminating light becomes dim, replace the battery with a new one. If the illuminating light remains dim after the battery is replaced, have the electroluminescent panel replaced with a new one by the retailer from whom the watch was purchased, or an AUTHORIZED SEIKO DEALER.
English ● Necessary procedure after battery change After the battery is replaced with a new one, or if an abnormal display (broken digits, etc.) appears, follow the procedure below to reset the IC. Press and hold buttons A, B, C and D at the same time for 2 to 3 seconds. The display shown at right appears. * Before using the watch, set the time/calendar and alarm. WARNING ● 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.
■ WATER RESISTANCE Condition of use Indication on case back Degree of water resistance* Accidental contact with water such as rain and splashes Swimming, Taking a bath yachting and and shallow diving taking a shower English TO PRESERVE THE QUALITY OF YOUR WATCH Scuba diving** and saturation diving No indication Non-water resistant No No No No WATER RESISTANT 3 bar Yes No No No WATER RESISTANT 5 BAR 5 bar Yes Yes No No WATER RESISTANT 10/15/20 BAR 10/15/20 bar Yes Yes Yes No 19
English ● Non-water resistant • If the watch becomes wet, have it checked by an AUTHORIZED SEIKO DEALER or SERVICE CENTER. ● Water resistant 5/10/15/20 bar • Do not operate the buttons when the watch is wet or in water. If used in sea water, rinse the 5 bar WR watch in fresh water and dry it completely.
■ CARE OF CASE AND BRACELET To prevent possible rusting of the case and bracelet, wipe them periodically with a soft dry cloth. Be careful not to drop your watch or hit it against hard surfaces. ■ MAGNETISM Your watch will not be affected by magnetism. N S ■ CHEMICALS Be careful not to expose the watch to solvents, mercury, cosmetic spray, detergents, adhesives or paints. Otherwise, the case, bracelet, etc. may become discolored, deteriorated or damaged.
English 22 ■ STATIC ELECTRICITY The IC (Integrated Circuit) used in your watch will be affected by static electricity which may disturb the display. Keep the watch away from close contact with objects such as TV screens which emit strong static electricity. ■ LIQUID CRYSTAL PANEL The normal life expectancy for a liquid crystal panel is approximately 7 years. After that it may decrease in contrast, 7 Years becoming difficult to read.
Frequency of crystal oscillator .................. 32,768 Hz (Hz = Hertz … Cycles per second) 2 Loss/gain (monthly rate) ............................ Less than 20 seconds at normal temperature range (5° C ~ 35° C) (41° F ~ 95° F) 3 Operational temperature range ................. –10° C ~ +50° C (14° F ~ 122° F) 4 Display system English SPECIFICATIONS 1 Desirable temperature range of use ......... 0° C ~ +50° C (32° F ~ 122° F) TIME/CALENDAR mode ......................
English Hour, minutes, seconds and the number of times the countdown is repeated Current time and “A” (AM)/“P” (PM) mark in the 12-hour indication TIMER mode mark (Alarm mark and hourly time signal mark) Graphic display (when the timer is counting) ALARM mode ...................................... Alarm time (hour and minutes) and current time “A” (AM)/“P” (PM) mark in the 12-hour indication ALARM mode mark and “on”/“– –” (Alarm mark and hourly time signal mark) 5 Display medium ..........................