Seiko 5K25 User manual

You are now the proud owner of a SEIKO Analogue Quartz Watch

Cal. 5K25. For best results, please read the instructions in this booklet

carefully before using your SEIKO Analogue Quartz Watch. Please

keep this manual handy for ready reference.

Usted es ahora un honrado poseedor del reloj SEIKO analógico de cuarzo

Cal. 5K25. Para obtener de él los mejores resultados, lea las instrucciones

del presente folleto con cuidado antes del uso de su reloj SEIKO

analógico de cuarzo. Guarde este manual para fácil referencia.

English

✩

For the care of your watch, see “TO PRESERVE THE QUALITY OF YOUR

WATCH” in the attached Limited Warranty and Instruction Booklet.

ENGLISH

CONTENTS

Page

FEATURES .................................................................................................................. 3

DISPLAY AND CROWN .............................................................................................. 4

HOW TO CHARGE AND START THE WATCH ........................................................... 5

ENERGY DEPLETION FOREWARNING FUNCTION ................................................... 7

NOTE ON POWER SUPPLY ....................................................................................... 7

TIME/CALENDAR SETTING ........................................................................................ 8

NOTES FOR USING THE WATCH .............................................................................. 9

SPECIFICATIONS........................................................................................................ 11

English

CAL. 5K25

FEATURES

Time/calendar

●

Three hands and date

Energy depletion forewarning function

●

Second hand starts moving at 2-second

intervals to indicate that the watch needs

recharging.

Solar cell

●

Converts light energy into electrical energy,

thus powering the watch.

Rechargeable battery

●

Keeps the watch operating for 6 months after

full charge.

●

No need for battery change

Instant-start function

●

Even when the watch is left uncharged and

the rechargeable battery is completely

drained, the watch starts operating in a few

seconds once exposed to light.

English

Hour hand Minute hand

a b c

Crown

✩

The solar cell is installed under the dial.

DISPLAY AND CROWN

a: Normal position b: First click c: Second click

Second hand

Date

English

HOW TO CHARGE AND START THE WATCH

●When you start the watch or when the energy in the rechargeable battery is reduced

to an extremely low level, charge it sufficiently by exposing the watch to light.

●Instant-start function: When the watch is exposed to sunlight or strong artificial

light (of more than 1,000 lux), it will start operating immediately

with the second hand moving at 2-second intervals.

TO CHARGE THE WATCH

1Expose the watch

to sunlight or

strong artificial

light.

2Keep the watch

exposed to the light

until the second

hand moves at 1-

second intervals.

3Set the correct date

and time before

wearing the watch.

* See “CHARGING TIME

GUIDELINES” on page 6.

* When the watch has

stopped operating, the

second hand will start

moving at 2-second

intervals.

English

CHARGING TIME GUIDELINES

Time required (approx.)

✩

60-watt incandescent

light

Distance of 60 cm

(2 ft.)

Illumination

(lux) CBA

Light source Environment

500 250 hours 15 hours 60 minutes

700

Fluorescent light

Office, overhead 175 hours 11 hours 50 minutes

1,000

30-watt fluorescent

light

Distance of 70 cm

(2 ft. 4 in.) 120 hours 30 minutes

3,000

30-watt fluorescent

light

Distance of 20 cm

(8 in.) 10 minutes

5,000

30-watt fluorescent

light

Distance of 12 cm

(5 in.) 80 minutes

10,000

30-watt fluorescent

light

Distance of 3 cm

(1 in.) 30 minutes

10,000

Sun

Cloudy weather 30 minutes

100,000

Sun

Fair weather

A: for full charge B: for 1-second intervals C: to maintain 1-day usage

●

The above table provides only a general guideline.

●

When the watch is fully charged, it will keep operating for approximately 6 months.

3 hours

40 hours

22 hours

10 hours

6 hours

2 hours

8 minutes

6 minutes

3 minutes

1 minute

English

✩

The values in column B represent the charging times required until the second hand moves constantly at

1-second intervals after the watch starts operating with the second hand moving at 2-second intervals. If

the watch is not charged for the time specified in the column, the second hand may temporarily move at

1-second intervals. However, as it will soon resume moving at 2-second intervals, you should charge the

watch for more than the specified period.

ENERGY DEPLETION FOREWARNING FUNCTION

●When the energy stored in the rechargeable battery is reduced to an extremely low

level, the second hand starts moving at 2-second intervals instead of the normal 1-

second intervals.

●In that case, recharge the watch as soon as possible by exposing it to light. Otherwise,

the watch may stop operating in about 3 days.

●Wear the watch so that it is not covered by your clothes.

●When the watch is not in use, leave it in a bright place as long as possible.

TO PREVENT THE ENERGY DEPLETION

●This watch is provided with a rechargeable battery. Unlike conventional battery-

powered watches, therefore, battery replacement is not necessary.

●The solar cell is an energy source that has less adverse effect on the natural

environment than conventional batteries.

NOTE ON POWER SUPPLY

English

TIME/CALENDAR SETTING

Set the previous

day’s date.

Turn the hands

until the desired

date appears.

Set the hands to

the desired time.

Push back the

crown complete-

ly.

➠➠

➠

a b c

English

NOTES FOR USING THE WATCH

HOW TO CHARGE AND START THE WATCH

CAUTION

Caution for charging

●When charging the watch, do not place it too close to a photoflash bulb, spotlight, incandescent

light or other light sources as the watch temperature may become extremely high, causing

damage to the parts inside the watch.

●When exposing the watch to sunlight to charge it, do not leave it on the dashboard of a car, etc.

for a long time, as the watch temperature may become extremely high.

●While charging the watch, make sure the watch temperature does not exceed 60 C.

●When the instant-start function is activated by exposing the watch to light, the second hand starts moving

at 2-second intervals immediately, but the energy stored in the rechargeable battery is not sufficient. If

the watch is turned away from the light source, it may stop operating. Therefore, please continue to

charge the watch.

●It is not necessary to charge the watch fully. It is important, however, to charge the watch sufficiently,

especially in case of initial charge.

CAUTION

●Never insert a conventional silver oxide battery in your watch as it may explode, generate an intense

heat or catch fire. The watch is so designed that even if a conventional battery is installed in the

watch, the watch will not operate.

NOTE ON POWER SUPPLY

English

TIME/CALENDER SETTING

●Do not set the date between 9:00 p.m. and 1:00 a.m. Otherwise, it may not change properly.

If it is necessary to set the date during that time period, first change the time to any time outside it, set

the date and then reset the correct time.

●To set the exact time, pull out the crown to the second click when the second hand is at the 12 o’clock

position and push it back in to the normal position in accordance with a time signal.

●When setting the hour hand, check that AM/PM is correctly set.

The watch is so designed that the date changes once in 24 hours. Turn the hands past the 12 o’clock

marker to determine whether the watch is set for the A.M. or P.M. period. If the date changes, the time

is set for the A.M. period. If the date does not change, the time is set for the P.M. period.

●When setting the minute hand, first advance it 4 to 5 minutes ahead of the desired time and then turn it

back to the exact minute.

●It is necessary to adjust the date at the end of February and 30-day months.

●Please set the time and calendar after the second hand starts moving at one-second intervals.

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