Bedienungsanleitung Seiko 6S28 (Seite 15 von 16) (Englisch)

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Cal. 6S28, 6S37

INSTRUCTIONS (P. 3)

BEDIENUNGSANLEITUNG (S. 31)

INSTRUCTIONS (P. 61)

ISTRUZIONI (P. 91)

INSTRUCCIONES (P. 121)

INSTRUÇÕES (P. 150)

ИНСТРУКЦИИ

(P. 179)

(207 )

ENGLISH

You are now the proud owner of a SEIKO Automatic Chronograph Cal. 6S28/6S37. To ensure its optimum

performance, please read the instructions in this booklet carefully before using it. Please keep this

manual handy for ready reference.

Sie sind jetzt stolzer Besitzer eines SEIKO Chronografen Kal. 6S28/6S37. Lesen Sie diese

Bedienungsanleitung vor der Verwendung aufmerksam durch, um Ihre Uhr optimal zu nutzen. Heben Sie

diese Bedienungsanleitung gut auf, um jederzeit wieder nachlesen zu können.

Vous voici l'heureux propriétaire d'une chronomètre automatique SEIKO Cal. 6S28/6S37. Pour en

obtenir des performances optimales, veuillez lire attentivement cette brochure avant d'utiliser la montre.

Conservez ce manuel pour vous y référer en cas de besoin.

Grazie di aver acquistato questo nuovo Cronografo Automatico SEIKO Cal. 6S28/6S37. Per poter utilizzare

l’orologio al massimo delle sue prestazioni leggere attentamente questo manuale di istruzioni prima di

passare all’uso dell’orologio stesso, e conservarlo poi per qualsiasi eventuale futura consultazione.

Usted es ahora el orgulloso propietario de un Cronógrafo Automático de SEIKO Cal. 6S28/6S37. Para

asegurar el óptimo rendimiento de su reloj, sírvase leer cuidadosamente las instrucciones contenidas en

este manual antes de su uso. Guarde este manual en un lugar muy accesible para la rápida referencia.

Você poderá sentir-se orgulhoso de possuir um Cronógrafo Automático SEIKO Cal. 6S28/6S37. Para

garantir o seu excelente movimento, leia atentamente as instruções contidas neste opúsculo antes de

usá-lo. Conserve este manual para consultas futuras.

歡迎購買精工 6S28/6S37 機型自動計時器。為保證在最佳狀態下操作手󳓙，請在使用手󳓙

之前仔細閱讀本手冊內的各項使用說明。並妥善保管本使用手冊以備今後參考。

Вы стали гордым обладателем Автоматического Хронографа SEIKO калибра 6S28/6S37. Чтобы

использовать часы оптимальным образом, внимательно прочитайте эту инструкцию, прежде чем

приступать к пользованию. Сохраните эту брошюру, чтобы обратиться к ней в случае необходимости.

CONTENTS

Page

CHARACTERISTICS OF A MECHANICAL WATCH

............................ 4

NAMES OF THE PARTS ................................................................................ 5

HOW TO USE ............................................................................................... 7

HOW TO SET THE TIME AND DATE ............................................................ 9

HOW TO USE THE STOPWATCH ................................................................. 12

TACHYMETER ............................................................................................... 15

TELEMETER ................................................................................................. 17

HOW TO READ THE POWER RESERVE INDICATOR .................................. 19

TO PRESERVE THE QUALITY OF YOUR WATCH ........................................ 21

PLACES TO KEEP YOUR WATCH ................................................................. 26

NOTES ON OVERHAUL ................................................................................ 26

NOTES ON GUARANTEE AND REPAIR ........................................................ 27

TROUBLESHOOTING ................................................................................... 27

ACCURACY OF MECHANICAL WATCHES ................................................... 29

SPECIFICATIONS .......................................................................................... 30

English

* The position or design of the displays may differ depending on the model.

CHARACTERISTICS OF A MECHANICAL WATCH

(self-winding type, automatic winding type)

● This mechanical watch operates using power obtained from a mainspring.

● If the watch is completely stopped, manually turn the crown approximately 20

times to wind up the mainspring to start the watch.

● While loss/gain of a quartz watch is indicated by a monthly or annual rate,

accuracy of a mechanical watch is normally indicated by a daily rate (loss/gain

per day).

● Normal usage accuracy of a mechanical watch varies according to conditions of

use (time period that the watch is worn on the wrist, temperature environment,

hand movement, and winding state of the mainspring).

● When the watch is affected by strong magnetism, it temporarily gains or loses

time. If the watch encounters a strong magnetic ﬁeld, the parts of the watch may

be magnetized. In this case, repairs such as removal of magnetism are required.

Contact the retailer from whom the watch was purchased.

CAL. 6S28/6S37

NAMES OF THE PARTS

Normal position : winding up the mainspring (manual operation)

First click position : date setting

c) Second click position : time setting

Stopwatch hour hand

Small second hand

Minute hand

Calendar

CROWN

abc

CROWN

Center stopwatch hand

Hour hand

Stopwatch minute hand

To START/STOP the stopwatch

To RESET the stopwatch

Power reserve indicator

(Cal. 6S37 only)

English

1. Slowly turn the crown clockwise (in

the 12 o’clock direction) to wind the

mainspring.

* Turning the crown counterclockwise (the

6 o’clock direction) does not wind the

mainspring.

HOW TO USE

This watch is an automatic watch equipped with a manual winding mechanism.

• Whenthewatchiswornonthewrist,themotionofthewearer'sarmwindsthe

mainspring of the watch.

• Ifyourwatchiscompletelystopped,it is recommended that you manually wind

the mainspring by turning the crown.

●

How to manually wind the mainspring by turning the crown

2. Continue to turn the crown until the

mainspring is sufﬁciently wound. The small

second hand will start moving.

3. Set the time and date before putting the

watch on your wrist.

●

Check the type of the crown of your watch

Turn the

crown

clockwise.

The crown

turns.

Go to

"HOW TO

USE"

The crown

does not

turn.

Unscrew the crown by turning it

counterclockwise.

To set the watch

The crown of your watch is

the screw lock type.*

Unscrew.

Screw up.

* If your watch has a screw-lock crown, the crown will screw into the watch case

for added protection.

• Aftercompletingallsettingsofthewatch,screwthecrowninagainbyturningit

clockwise while pressing it.

• Ifthecrownistoostifftobescrewedin,turnthecrowncounterclockwiseonceand

then give another try.

• Donotscrewitinbyforceasitmaydamagetheslotsofthecrown.

English

* There is no need to turn the crown further when the mainspring is fully wound. But

the crown can be turned without damaging the watch mechanism.

* Once the watch is wound up fully, it operates for about 50 hours. However, when

the stopwatch is used continuously for a certain period, the watch may not operate

for as long as 50 hours.

* If the watch is used without being wound up fully, gain or loss of the watch may

result. To avoid this, wear the watch for more than 8 hours a day. If the watch is used

without being worn on the wrist (if it is used on the desk like a clock, for example),

make sure to wind it up fully every day at a ﬁxed time.

* If the watch has stopped with the mainspring unwound, winding the mainspring

with the crown will not start the watch immediately. This is because the mainspring

torque (force) is low at the beginning of its winding due to the characteristics of

mechanical watches. The small second hand starts to move when a certain degree

of strong torque is reached after the mainspring has been wound up. However,

swinging the watch from side to side to forcibly turn the balance can start the watch

sooner.

• Checkthatthewatchisoperating,andthensetthetimeanddate.

• Thewatchisprovidedwithadatefunctionandisdesignedsothatthedate

changes once every 24 hours. The date changes around 12 o’clock midnight. If

AM/PM is not properly set, the date will change around 12 o’clock noon.

1. Pull out the crown to the first click. (The

small second hand continues moving and

the accuracy of the watch is unimpaired.)

2. The date can be set by turning the crown

clockwise. Turn it until the previous day’s

date appears.

Ex.)If today is the 6th of the month, ﬁrst set

the date to ”5” by turning the crown

clockwise.

HOW TO SET THE TIME AND DATE

CAUTION

• Donotsetthedatebetween8:00p.m.and2:00a.m.Ifyoudoso,thedate

may not change properly on the following day or malfunction of the watch

may occur.

English

CAUTION

• Themechanismofmechanicalwatchesisdifferentfromthatofquartz

watches.

When setting the time, make sure to turn back the minute hand a little

behind the desired time and then advance it to the exact time.

3. Pull out the crown to the second click when the small second hand is at the 12

o’clock position. (The small second hand stops on the spot.)

Turn the crown to advance the hands until the date changes to the next. The time

is now set for the a.m. period. Advance the hands to set the correct time.

4. Push the crown back in to the normal position in accordance with a time

signal.

It is necessary to adjust the date on the ﬁrst day after a month that has less than

31 days.

CAUTION

• Donotsetthedatebetween8:00p.m.and2:00 a.m.Ifyoudoso,the

date may not change properly on the following day or malfunction of the

watch may occur.

●

Date adjustment at the beginning of the month

Ex.) To adust the date in the a.m. period

on the ﬁrst day of a month following a

30-day month.

1. The watch displays “31” instead of "1".

Pull out the crown to the ﬁrst click.

2. Turn the crown to set the date to “1”

and then push the crown back in to the

normal position.

English

HOW TO USE THE STOPWATCH

This watch features a stopwatch function which can measure up to 12 hours.

• Achronographreferstoawatchthathasastopwatchfunctioninadditiontoa

time display function.

• Beforeusingthestopwatch,makesuretha tthecenterstopwa tchhandispointing

at the 0 position. If it is not pointing at the 0 position, press the Button B to correct

the position of the center stopwatch hand.

• Beforeusingthestopwatch,makesurethatthemainspringissufficiently

wound.

STOPWATCH OPERATION

6 º 20’ 10”

2 º 8’ 40”

6 º 20’ 10”

AA BA

ABA

START STOP RESET

START

STOP RESTART

STOP RESET

* Restart and stop can be repeated as many times as required

by pressing Button A.

Stopwatch hour hand

Center stopwatch hand

Stopwatch minute hand

START/STOP

RESET

Current time indication: 10 o’clock 8 minutes and 42 seconds

Stopwatch time indication: 6 hours 20 minutes and 10 seconds

Power reserve indicator

English

How to read the stopwatch minute hand

The stopwatch minute hand completes a full rotation in 30 minutes. The correct

indication of the stopwatch minute hand is determined in connection with the

position of the stopwatch hour hand.

When the stopwatch hour hand is pointing at

a position before a short indication (0.5 hour

index), read the minutes the stopwatch minute

hand is indicating. In the case illustrated above,

the measured time should be read as "6 hours

20 minutes and 10 seconds."

When the stopwatch hour hand is pointing at a

position after a short index (0.5 hour index), 30

minutes should be added to the minutes that the

stopwatch minute hand is indicating. In the case

illustrated above, the measured time should be

read as "6 hours 50 minutes and 10 seconds."

TACHYMETER

(for models with tachymeter scale on the dial)

●

Tachymeter scale can be used only when the time required is less than 60 seconds.

TO MEASURE THE HOURLY AVERAGE SPEED OF A VEHICLE

Use the stopwatch to determine

how many seconds it takes to

go 1 km or 1 mile.

Tachymeter scale indicated by

the STOPWATCH second hand

gives the average speed per

hour.

Ex. 1

STOPWATCH

second hand:

40 seconds

Tachymeter scale: "90"

“90” (tachymeter scale ﬁgure) x 1 (km or mile)

= 90 km/h or mph

Ex. 2: If the measuring distance is extended to 2 km or miles or shortened to 0.5 km or

miles and the STOPWATCH second hand indicates “90” on tachymeter scale:

"90" (tachymeter scale ﬁgure) x 2 (km or mile) = 180 km/h or mph

"90" (tachymeter scale ﬁgure) x 0.5 (km or mile) = 45 km/h or mph

0.5 hour index

"20 min."

Stopwatch hour hand

Stopwatch minute hand

Stopwatch hour hand

Stopwatch minute hand

0.5 hour index

" 50 mi n."

English

TO MEASURE THE HOURLY RATE OF OPERATION

Use the stopwatch to measure

the time required to complete

1 job.

Tachymeter scale indicated by

the STOPWATCH second hand

gives the average number of

jobs accomplished per hour.

Ex. 1

STOPWATCH

second hand:

20 seconds

Tachymeter scale: "180"

“180” (tachymeter scale ﬁgure) x 1 job

= 180 jobs/hour

Ex. 2: If 15 jobs are completed in 20 seconds:

"180" (tachymeter scale ﬁgure) x 15 jobs = 2700 jobs/hour

TELEMETER

(for models with telemeter scale on the dial)

●The telemeter can provide a rough indication of the distance to the source of

light and sound.

●The telemeter indicates the distance from your location to an object that emits

both light and sound. For example, it can indicate the distance to the place

where lightning struck by measuring the time elapsed after you see a ﬂash of

lightning until you hear the sound.

●A ﬂash of lightning reaches you almost immediately while the sound travels to

you at a speed of 0.33 km/second. The distance to the source of the light and

sound can be calculated on the basis of this difference.

●The telemeter scale is graduated so that the sound travels at a speed of 1 km in

3 seconds.*

*Under the condition of temperature of 20 °C(68 °F. )

The telemeter provides only a rough indication of the distance to the place

where lightning struck, and therefore, the indication cannot be used as the

guideline to avoid the danger of lightning. It should also be noted that the

speed of the sound differs depending on the temperature of the atmosphere

where it travels.

CAUTION

English

HOW TO USE THE TELEMETER

Before beginning, check that the stopwatch has been reset.

START

(Flash of light)

STOP

(Crash of thunder)

Press Button A to start the

stopwatch as soon as you

see light.

When you hear the sound,

press Button A to stop the

stopwatch.

Read the telemeter scale

that the STOPWATCH

second hand points to.

Approx. 3 km

• Thetelemeterscalecanbeusedonlywhenthemeasuredtimeislessthan60seconds.

HOW TO READ THE POWER RESERVE

INDICATOR

(CAL. 6S37 ONLY)

• Thepowerreserveindicatorletsyouknowthewindingstateofthemainspring.

• Be foreremovingthewatchfromyourwrist,obser vethepowerre ser veindica tor

to check if the watch has enough power stored to keep running until the next

time you wear it. If necessary, wind the mainspring. (To prevent the watch from

stopping, wind the mainspring to store the excess power that will allow the watch

to run for extra time.)

Power

Reserve

Indicator

Fully wound Half wound

Unwound

Approximately

50 hours

The watch either stops

or is running down.

Approximately

20 hours

Winding state of

the mainspring

Number of hours

the watch can run

* The position or design of the displays may differ depending on the model.

English

* When the mainspring is fully wound, the crown can be turned further, or the

mainspring may wind without damaging the mainspring itself. The mainspring

of the watch employs a slipping mechanism, an automatic watch specific

mechanism, to prevent the mainspring from overwinding.

●

Remarks on the automatic mechanism of the mainspring

The mainspring of the watch becomes fully wound when it is worn for twelve

hours for three to ﬁve consecutive days. However, the winding state of the

mainspring may vary depending on actual use conditions, such as the number

of hours you wear the watch or the extent of your movement while wearing it. It

is recommended that you observe the power reserve indicator to check the level

of remaining power of your watch.

* In a case where you wear the watch for a short period of time each day, observe

the power reserve indicator to check the level of the remaining power. If

necessary, manually wind the mainspring.

TO PRESERVE THE QUALITY OF YOUR WATCH

CAUTION

●

CARE OF YOUR WATCH

• Thecaseandbandtouchtheskindirectly.Keepthecaseandbandclean

at all times. This will help to extend the life of the watch and will reduce

the risk of skin irritations.

• Whenyoutakethewatchoff,wipeoffmoisture,sweatorsoilwithasoft

dry cloth as soon as possible. This will help to extend the life of the case,

band and gasket.

• Gentlyblotupthemoistureusingasoftdrycloth.Donotrubtheleather,

as this may cause abrasions or discoloration.

• Tokeepthebraceletclean,useasofttoothbrushdippedincleanorsoapy

water. Be careful not to get water on the case.

English

CAUTION

●

RASH AND ALLERGIC REACTION

•

Adjust the band to allow a little clearance around your wrist to ensure proper

airﬂow.

•  P r o l o n g e d a n d / o r r e p e a t e d c o n t a c t w i t h t h e b a n d m a y c a u s e s k i n i r r i t a t i o n 

or dermatitis for those susceptible.

• Possiblecausesofdermatitis

• Allergicreactiontometalsorleathers

• Rust,contaminationorperspirationaccumulatedonthewatchcaseor

band.

 •  I f y o u s h o u l d d e v e l o p a n y a l l e r g i c s y m p t o m s o r s k i n i r r i t a t i o n , i m m e d i a t e l y 

stop wearing the watch and seek medical attention.

●

WATER RESISTANCE

●

Non-water resistance

If ”WATER RESISTANT” is not inscribed on the case back,

your watch is not water resistant, and care should be taken

not to get it wet as water may damage the movement. If the

watch becomes wet, we suggest that you have it checked

by the retailer from whom the watch was purchased or your

SERVICE CENTER.

●

Water resistance (3 bar)

If ”WATER RESISTANT” is inscribed on the case back, your

watch is designed and manufactured to withstand up to 3 bar,

such as acci dental contact with splashes of water or rain, but it

is not designed for wearing while swimming or diving.

●

Water resistance (5 bar)*

If ”WATER RESISTANT 5 BAR” is inscribed on the case back,

your watch is designed and manufactured to withstand up to 5

bar and is suitable for wearing while swimming, yachting and

taking a shower.

●

Water resistance (10 bar/15 bar/20 bar)*

If ”WATER RESISTANT 10 BAR”, ”WATER RESISTANT 15 BAR”

or ”WATER RESISTANT 20 BAR” is inscribed on the case back,

your watch is designed and manufactured to withstand up to

10 bar/15 bar/20 bar, respectively, and is suitable for wearing

while taking a bath or shallow diving, but not for scuba diving.

We recommend that you wear a SEIKO Diver’s watch while

scuba diving.

5 bar WR

10/15/20

bar WR

* Before using a water resistant 5, 10, 15 or 20 bar watch in water, make sure

the crown is pushed in completely.

Do not operate the crown when the watch is wet or in water. If used in sea

water, rinse the watch in fresh water and dry it completely.

English

* When taking a shower while wearing a water resistant 5 bar watch, or taking

a bath while wearing a water resistant 10, 15 or 20 bar watch, make sure to

observe the following:

• Donotoperatethe crown when thewatchis wetwithsoapywateror

shampoo.

• Ifthewatchisleftinwarmwater,aslighttimelossorgainmaybecaused.

This condition, however, will be corrected when the watch returns to

normal temperature.

PRECAUTIONS ON WEARING YOUR WATCH

• Exercisecarewhenyouholdaninfantorsmallchildwhilewearingthe

watch on your wrist, as the infant or child may be injured or develop an

allergic reaction caused by direct contact with the watch.

• Avoidundueshockssuchasdroppingorscratchingagainsthardsurfaces

or playing active sports, which may cause temporary malfunctions.

• Thereisapossibilityofinjurycausedbywearingthewatchonyourwrist

especially if you fall down or bump into other people or objects.

NOTE:

Pressure in bar is a test pressure and should not be considered as corresponding

to an actual diving depth since swimming movements tend to increase the

pressure at a given depth. Care should also be taken when diving with the

watch into water.

LUMIBRITE

LumiBrite is a luminous paint that is completely harmless to human beings and the natural

environment, containing no noxious materials such as radioactive substances.

LumiBrite is a newly-developed luminous paint that absorbs the light energy of sunlight or

artiﬁcial light in a short time and stores it to emit light in the dark.

For example, if exposed to a light of more than 500 lux for approximately 10 minutes,

LumiBrite can emit light for 5 to 8 hours.

Please note, however, that, as LumiBrite emits the light it stores, the luminance level of the

light decreases gradually over time. The duration of the emitted light may also differ slightly

depending on such factors as the brightness of the place where the watch is exposed to light

and the distance from the light source to the watch.

When you make a dive in dark water, LumiBrite may not emit light unless it has absorbed and

stored light sufﬁciently.

Before diving, therefore, be sure to expose the watch to light under the conditions speciﬁed

above, so that it fully absorbs and stores light energy. Otherwise, use the watch together with

an underwater ﬂashlight.

< Reference data on luminance >

(A) Sunlight

[Fine weather]: 100,000 lux [Cloudy weather]: 10,000 lux

(B) Indoor (Window side during daytime)

[Fine weather]: more than 3,000 lux [Cloudy weather]: 1,000 to 3,000 lux

[Rainy weather]: less than 1,000 lux

(C) Lightingapparatus(40-wattdaylightuorescentlight)

 [Distancetothewatch:1m]:1,000lux

 [Distancetothewatch:3m]:500lux(averageroomluminance)

 [Distancetothewatch:4m]:250lux

* "LUMIBRITE" is a trademark of SEIKO HOLDINGS CORPORATION.

English

NOTES ON OVERHAUL

● The watch is a precision device with many moving parts lubricated with special

oils. If the parts run short of oil or get worn out, the watch may lose time or stop

operation. In such a case, have the watch overhauled.

PLACES TO KEEP YOUR WATCH

●

Donotleavethewatchinaplacewherethetemperaturedropsbelow5°C(41°F)

orrisesabove35°C(95°F)foralongtime.

● Donotleavethewatchinaplacewhereitwillbesubjectedtostrongmagnetism

(for example, near television sets, loudspeakers or magnetic necklaces) or static

electricity.

● Donotleavethewatchwheretherearestrongvibrations.

● Donotleavethewatchindustyplaces.

● Donotexposethewatchtochemicalsubstancesorgases.

 ( E x. :Organicsolvent ssuchasbenzineandthinner,gasoline,nailpolish,c osmetic

sprays, detergents, adhesives, mercury, and iodine antiseptic solution.)

● Donotleavethewatchinclosecontactwithhotspringwater.

NOTES ON GUARANTEE AND REPAIR

● Please contact the retailer the watch was purchased from or SEIKO CUSTOMER

SERVICE CENTER for repair or overhaul.

● Within the guarantee period, please present the certiﬁcate of guarantee to receive

repair services.

● Guarantee coverage is provided in the certiﬁcate of guarantee. Please read

carefully and retain it.

TROUBLESHOOTING

Problem Possible causes Solutions

The watch stops

operating.

The power supplied by

the mainspring has been

consumed.

Turn the crown or swing the watch

to wind it up. The watch will start

operating. If the watch does not start,

consult the retailer from whom the

watch was purchased.

Even though you wear

the watch every day, it

soon stops operating.

The watch is worn on

your wrist only for a short

period of time, or the

amount of arm movement

is small.

Wear the watch for an extended

period of time, or when taking off the

watch, turn the crown to wind the

mainspring.

The date changes at 12

o’clock noon.

AM/PM is not properly set. Advance the hands by 12 hours.

English

Problem Possible causes Solutions

The watch gains/loses

time temporarily.

The watch has been left

in extremely high or low

temperatures for a long time.

Normal accuracy will resume

when the watch returns to normal

temperature.

The watch was brought

into close contact with a

magnetic object.

Normal accuracy will resume when the

watch is kept away from close contact

with the magnetic source. If this

condition persists, consult the retailer

from whom the watch was purchased.

You dropped the watch, hit

it against a hard surface or

wore it while playing active

sports. The watch was

exposed to strong vibrations.

Normal accuracy will not resume.

Consult the retailer from whom the

watch was purchased.

The watch has not been

overhauled for more than

3 years.

Consult the retailer from whom the

watch was purchased.

The glass is blurred and

the blur persists for a

long time.

Water got inside the watch

due to the deterioration of

the gasket, etc.

Consult the retailer from whom the

watch was purchased.

The stopwatch minute

hand and stopwatch

hour hand move while

you are setting the

watch to the current

time.

Time setting is done

while the stopwatch is

operating.

Push the crown back in to the normal

position. And then, stop and reset the

stopwatch. After that, if you wish to

set the time, follow the procedures in

“HOWTOSETTHETIMEANDDATE”

section of this booklet.

• Forthesolutionoftroublesotherthanlistedabove,contacttheretailerfromwhomthewatchwas

purchased.

ACCURACY OF MECHANICAL WATCHES

● The accuracy of mechanical watches is indicated by the daily rates of one week

or so.

● The accuracy of mechanical watches may not fall within the speciﬁed range of

time accuracy because of loss/gain changes due to the conditions of use, such as

the length of time during which the watch is worn on the wrist, arm movement,

whether the mainspring is wound up fully or not, etc.

● The key components in mechanical watches are made of metals which expand

or contract depending on temperatures due to metal properties. This exerts an

effect on the accuracy of the watches. Mechanical watches tend to lose time at

high temperatures while they tend to gain time at low temperatures.

● In order to improve accuracy, it is important to regularly supply energy to the

balance that controls the speed of the gears. The driving force of the mainspring

that powers mechanical watches varies between when it is fully wound and

immediately before it is unwound. As the mainspring unwinds, the force

weakens.

Relatively steady accuracy can be obtained by wearing the watch on the wrist

frequently for the self-winding type and winding up the mainspring fully everyday

at a ﬁxed time to move it regularly for the wind-up mechanical type.

● When affected by strong external magnetism, a mechanical watch may loss/gain

time temporarily. The parts of the watch may become magnetized depending on

the extent of the effect. In such a case, consult the retailer from whom the watch

was purchased since the watch requires repair, including demagnetizing.

English

SPECIFICATIONS

1 Display system

Time/Calendar .................................................... Hour, minute and small second hands

Date is displayed in numerals

Stopwatch ........................................................... Measures up to 12 hours

Stopwatch hour, Stopwatch minute and Stopwatch second

hands

Power reserve indicator (for Cal. 6S37 only)

2 Vibrations per hour............................................. 28,800

3 Loss/gain (daily rate)

6S28 ....................................................................

Between +25 and -15 seconds at normal temperature range

(between 5 °C and 35 °C or between 41 °F and 95 °F)

6S37 ....................................................................

Between +15 and -10 seconds at normal temperature range

(between 5 °C and 35 °C or between 41 °F and 95 °F)

4 Continuous operating time ....................................... Approx. 50 hours

5 Driving system ........................................................... Automatic winding type with manual winding mechanism

6 Number of jewels

6S28 .................................................................... 34 jewels

6S37 .................................................................... 40 jewels

• The accuracy above is factory adjusted.

• Duetothecharacteristicsofmechanicalwatches,anyactualdailyratemaynotfallwithintherangeof

time accuracy speciﬁed above dependent on the conditions of use, such as the length of time during

which the watch is worn on the wrist, temperature, arm movement, and whether the mainspring is

wound up fully or not, etc.

Seiko 6S28 Seite 15

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