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Seiko W620 Instructions Manual

Digital quartz watch
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Cal. W620
INSTRUCTIONS
BEDIENUNGSANLEITUNG
INSTRUCTIONS
ISTRUZIONI
INSTRUCCIONES
INSTRUÇÕES
(P.
3)
(S. 25)
(P. 48)
(P. 70)
(P. 93)
(P. 115)
(137
)

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  • Page 1 Cal. W620 INSTRUCTIONS BEDIENUNGSANLEITUNG (S. 25) INSTRUCTIONS (P. 48) ISTRUZIONI (P. 70) INSTRUCCIONES (P. 93) INSTRUÇÕES (P. 115) (137...
  • Page 2 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.

  • Page 3: Table Of Contents

    CONTENTS Page MODE CHANGE ...................... TIME/CALENDAR MODE ..................STOPWATCH MODE ....................STROKE MODE ....................... TIMER MODE ......................ALARM MODE ......................ILLUMINATING LIGHT ..................... NOTES ON USING THE WATCH ................BATTERY CHANGE ....................TO PRESERVE THE QUALITY OF YOUR WATCH ........... SPECIFICATIONS .....................
  • Page 4 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.

  • Page 5: Mode Change

    MODE CHANGE Mode mark (No mode mark in TIME/ C H R O CALENDAR mode) With each press, the mode changes in the following order: TIME/ STOPWATCH TIMER ALARM STROKE CALENDAR mode mode mode mode mode...

  • Page 6: Time/Calendar Mode

    TIME/CALENDAR MODE TIME/CALENDAR SETTING Press to show TIME/CALENDAR mode. Press for 2 to 3 seconds. Select the digits to be adjusted. Minutes Seconds Hour Date 12-/24-hour indication Year Month Set the flashing digits. Return to TIME/CALENDAR mode.

  • Page 7: Stopwatch Mode

    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. Current time Time measured C H R O STOPWATCH OPERATION Standard measurement START STOP RESET...
  • Page 8 Accumulated elapsed time measurement START STOP RESTART STOP RESET * Restart and stop of the stopwatch can be repeated by pressing button C. Lap time measurement START LAP 1 LAP 2 STOP 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.

  • Page 9: Stroke Mode

    STROKE MODE The number of strokes per minute is automatically calculated by measuring the time required to make three strokes. Press to show STROKE mode. Press to start measurement. Press to stop measurement when the third stroke is made. P A C E * The number of strokes per minute will be displayed.

  • Page 10: Timer Mode

    TIMER MODE Two types of timers are available: preset timer and adjustable timer. Press to show TIMER mode. Current time Number of times Set time the countdown is repeated T M R PRESET TIMER SETTING Select the preset time. 5 minutes 3 minutes 20 minutes 10 minutes...
  • Page 11 ADJUSTABLE TIMER SETTING Press for 2 to 3 seconds. Select the digits to be adjusted. Hour Minutes Set the flashing digits. Return to TIMER mode. TIMER OPERATION START STOP RESTART STOP RESET * When the set time is up, a warning sound beeps for 5 seconds. To stop it manually, press any one of the buttons.

  • Page 12: Alarm Mode

    ALARM MODE The alarm can be set to ring on a 24-hour basis. ALARM TIME SETTING Press to show ALARM mode. Current time Press for 2 to 3 seconds. Select the digits to be adjusted. Hour Minutes A L M Set the flashing digits.
  • Page 13 ALARM ENGAGEMENT/DISENGAGEMENT With each press in ALARM mode, the alarm is alternately engaged and disen- gaged. “on”/“– –” (alarm engagement/disengagement) mark A L M * At the designated time the alarm rings for 20 Alarm mark seconds, and the display is illuminated as the alarm rings.

  • Page 14: Illuminating Light

    ILLUMINATING LIGHT (Electroluminescent panel) Turn on the illuminating light. * The display panel is illuminated for 3 seconds.

  • Page 15: Notes On Using The Watch

    NOTES ON USING THE WATCH MODE CHANGE 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. 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”.
  • Page 16 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, “- - -”...

  • Page 17: Battery Change

    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. It will be replaced at cost.
  • Page 18 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.

  • Page 19: To Preserve The Quality Of Your Watch

    TO PRESERVE THE QUALITY OF YOUR WATCH WATER RESISTANCE Condition Scuba of use Accidental Taking a bath Swimming, and shallow contact with diving** yachting and Indication on diving water such taking a case back saturation as rain and shower Degree diving splashes of water...
  • Page 20 • Do not operate the buttons when ** We recommend that you wear a the watch is wet or in water. SEIKO Diver’s Watch for scuba If used in sea water, rinse the bar WR diving. watch in fresh water and dry it completely.
  • Page 21 2 2 - 3 to 3 years. Have your watch Years checked by an AUTHORIZED SEIKO DEALER or SERVICE CENTER to ensure that the case, buttons, gasket and CHEMICALS crystal seal remain intact. Be careful not to expose the...
  • Page 22 7 Years from close contact with objects such as TV becoming difficult to read. Please contact screens which emit strong static electricity. your AUTHORIZED SEIKO DEALER or SERVICE CENTER if you wish to have a new panel fitted (guaranteed one year).

  • Page 23: Specifications

    SPECIFICATIONS Frequency of crystal oscillator ....32,768 Hz (Hz = Hertz … Cycles per second) Loss/gain (monthly rate) ......Less than 20 seconds at normal temperature range (5 C ~ 35 C) (41 F ~ 95 F) Operational temperature range ....–10 C ~ +50 C (14 F ~ 122 F) Desirable temperature range of use ..
  • Page 24 (Alarm mark and hourly time signal mark) Display medium ........Nematic Liquid Crystal, FEM (Field Effect Mode) Battery ............SEIKO CR2025, 1 piece Battery life indicator ........All the digits in the display start flashing when the battery life nears its end.

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