Seiko Watch CAL 6R20 User Guide

Cal. 6R20  
INSTRUCTIONS  
(P.  
3)  
BEDIENUNGSANLEITUNG  
INSTRUCTIONS  
ISTRUZIONI  
(S. 25)  
(P. 47)  
(P. 69)  
(P. 91)  
(P. 113)  
INSTRUCCIONES  
INSTRUÇÕES  
(135  
)
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CONTENTS  
Page  
CHARACTERISTICS OF A MECHANICAL WATCH ....................................................  
NAMES OF THE PARTS .............................................................................................  
HOW TO USE .............................................................................................................  
HOW TO SET THE TIME, DAY AND DATE ................................................................  
HOW TO READ THE POWER RESERVE INDICATOR................................................  
TO PRESERVE THE QUALITY OF YOUR WATCH......................................................  
PLACES TO KEEP YOUR WATCH ..............................................................................  
NOTES ON OVERHAUL ..............................................................................................  
NOTES ON GUARANTEE AND REPAIR .....................................................................  
TROUBLESHOOTING. ................................................................................................  
ACCURACY OF MECHANICAL WATCHES ................................................................  
SPECIFICATIONS........................................................................................................  
4
5
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9
12  
14  
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19  
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21  
23  
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3
CAL. 6R20  
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.  
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4
NAMES OF THE PARTS  
Hour hand  
Minute hand  
Date  
Power reserve  
indicator  
CROWN  
a
b
c
Second hand  
Day  
CROWN  
a) Normal position  
b) First click position  
: winding up the mainspring (manual operation)  
: day and date settings  
c) Second click position : time settings  
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5
Check the type of the crown of your watch  
The crown  
turns.  
The crown of your watch is  
*the screw lock type.  
Turn the  
crown  
clockwise.  
Go to  
"HOW TO  
USE"  
To set the watch  
Unscrew the crown by turning it  
counterclockwise.  
U nscrew .  
The crown  
does not  
turn.  
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 turns out to be too stiff to be screwed up, 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.  
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6
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  
1. Slowly turn the crown clockwise (the 12  
o’clock direction) to wind the mainspring.  
*
Turning the crown counterclockwise (the 6  
o’clock direction) does not wind the  
mainspring.  
2. Wind the mainspring until the power reserve  
indicator shows a full-wound state. The  
second hand will start moving.  
3. Set the time, day and date before putting  
your watch on the wrist.  
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7
*
*
To check the winding state of the mainspring, refer to "HOW TO READ THE POWER  
RESERVE INDICATOR " on page 12.  
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 45 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 10 hours a day. If the watch is  
used without wearing on the wrist; if it is used on the desk like a clock, for example;  
be sure to wind it up fully every day at a fixed time.  
*
If you use a watch that has stopped with the mainspring unwound, winding the  
mainspring with the crown will not start the watch immediately. That is because the  
mainspring torque (force) is low at the beginning of its winding due to the  
characteristics of mechanical watches. The 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.  
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8
HOW TO SET THE TIME, DAY AND DATE  
Check that the watch is operating, and then set the time, day and date.  
The watch is provided with a day and date function and is so designed that the day  
and date changes once every 24 hours. The date changes around 12 o’clock  
midnight, and the day around 2:00 a.m. If AM/PM is not properly set, the date will  
change around 12 o’clock noon, and the day around 2:00 p.m.  
1. Pull out the crown to the first click. (The second  
hand continues moving and the accuracy of the  
watch is unimpaired.)  
2. The day can be set by turning the crown clockwise.  
3. The date can be set by turning the crown  
counterclockwise. 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 counterclockwise.  
CAUTION  
Do not set the date between 10:00 p.m. and 1:00 a.m. If you do, the date  
may not change properly / it may cause a malfunction.  
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9
4. Pull out the crown to the second click when the second hand is at the 12 o’clock  
position. (The 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.  
5. Push the crown back in to the normal position in accordance with a time signal.  
CAUTION  
The mechanism of mechanical watches is different from that of quartz  
watches.  
When setting the time, be sure to turn back the minute hand a little behind  
the desired time and then advance it to the exact time.  
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10  
Date adjustment at the beginning of the month  
It is necessary to adjust the date on the first day after a month that has less than 31  
days.  
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 into the normal  
position.  
CAUTION  
Do not set the date between 10:00 p.m. and 1:00 a.m. If you do, the date  
may not change properly / it may cause a malfunction.  
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11  
HOW TO READ THE POWER RESERVE INDICATOR  
The power reserve indicator lets you know the winding state of the mainspring.  
Before removing the watch from your wrist, observe the power reserve indicator  
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  
The winding  
state of the  
mainspring  
1/3 wound  
Unwound  
Fully wound  
The number  
of hours the  
watch can run  
Approximately  
15 hours  
Approximately  
45 hours  
The watch either stops  
or is running down.  
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12  
*
*
When the mainspring is fully wound, the crown can be turned further without  
damaging the mainspring itself. The mainspring of the watch employs a slipping  
mechanism to prevent the mainspring from over-winding.  
The orientation of “the power reserve indicator” may slightly vary depending on  
the model.  
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13  
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.  
<Leather strap>  
Gently blot up the moisture using a soft dry cloth. Do not rub the leather,  
as this may cause abrasions or discoloration.  
<Metal bracelet>  
To keep the bracelet clean, use a soft toothbrush dipped in clean or soapy  
water. Be careful not to get water on the case.  
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14  
CAUTION  
RASH AND ALLERGIC REACTION  
Adjust the band to allow a little clearance around your wrist to ensure proper  
airflow.  
Prolonged and/or repeated contact with the band may cause skin irritation  
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.  
If you should develop any allergic symptoms or skin irritation, immedi-  
ately 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.  
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15  
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 accidental 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.  
5
bar WR  
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.  
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.  
Donotoperatethecrownwhenthewatchiswetorinwater. Ifusedinseawater,  
rinse the watch in fresh water and dry it completely.  
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16  
*
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.  
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  
intowater.  
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.  
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17  
PLACES TO KEEP YOUR WATCH  
Do not leave the watch in a place where the temperature drops below 5°C or rises  
above 35°C 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 is strong vibration.  
Do not leave the watch in dusty places.  
Do not expose the watch to chemical substances or gases.  
(Ex.: Organic solvents such as benzine and thinner, gasoline, nail polish, cosmetic  
sprays, detergents, adhesives, mercury, and iodine antiseptic solution.)  
Do not leave the watch in close contact with hot spring water.  
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18  
NOTES ON OVERHAUL  
The watch is a precision device with a lot of moving parts lubricated with special  
oils. If the parts run short of oil or get worn out, the watch may lose time or stop  
its operation. In such a case, have the watch overhauled.  
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.  
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19  
TROUBLESHOOTING  
Problem  
Solutions  
Possible causes  
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.  
The watch stops  
operating.  
Wear the watch for an extended period of time, or when  
taking off the watch, turn the crown to wind the  
mainspring if the remaining power shown by the power  
reserve indicator is not sufficient for the next use.  
The watch is worn on your  
wrist only for a short period  
of time, or the amount of  
arm movement is small.  
Even though you wear the  
watch every day,  
the power reserve indicator  
does not move up.  
Normal accuracy will resume when the  
watch returns to normal temperature.  
The watch has been left in  
extremely high or low  
temperatures for a long time.  
The watch gains/loses  
temporarily.  
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.  
Consult the retailer from whom the  
watch was purchased.  
The watch has not been  
overhauled for more than 3 years.  
The day and date change  
at 12 o’clock noon.  
AM/PM is not properly set.  
Advance the hands by 12 hours.  
The glass is blurred and  
the blur persists for a  
long time.  
Consult the retailer from whom the  
watch was purchased.  
Water got inside the watch  
due to the deterioration of  
the gasket, etc.  
*For the solution of troubles other than listed above, contact the retailer from whom the watch was purchased.  
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20  
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,  
and 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 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.  
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21  
When affected by a strong magnetism from outside, the 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.  
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22  
SPECIFICATIONS  
1
Features ............................................................ 6 hands, time display (Hour, minute and second hands),  
day and date display, power reserve indicator  
2
3
Vibrations per hour ............................................ 28,800  
Loss/gain (daily rate) ......................................... +25 – 15 seconds at normal temperature range  
(between 5°C and 35°C)  
4
5
Continuous operating time ................................ More than approx. 45 hours  
Driving system .................................................. Automatic winding type with manual winding  
mechanism  
6
*
Jewels ............................................................... 29 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.  
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23  

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