Seiko Watch CAL 5Y75 User Guide

ANALOGUE QUARTZ  
Cal. 5Y75  
INSTRUCTIONS  
ISTRUZIONI  
INSTRUÇÕES  
INSTRUCTIONS  
INSTRUCCIONES  
BEDIENUNGSANLEITUNG  
Printed on recycled paper  
Printed in Japan  
1994  
NSY5Y75  
94-11  
 
You are now the proud owner of a SEIKO Analogue Watch Cal. 5Y75. For best results, please  
read the instructions in this booklet carefully before using your SEIKO Analogue Watch. Please  
keep this manual handy for ready reference.  
CONTENTS  
Vous voici l’heureux propriétaire d’une montre analogique SEIKO Cal. 5Y75. Pour en obtenir de  
bonnes performances, veuillez, avant d’utiliser la montre, lire attentivement les explications de ce  
mode d’emploi que vous conserverez pour toute référence ultérieure.  
Page  
FEATURES ..................................................................................................................  
DISPLAY AND CROWN OPERATION.........................................................................  
HOW TO CHARGE AND START THE WATCH ...........................................................  
CHARGING/RECHARGING INFORMATION ...............................................................  
ENERGY DEPLETION FOREWARNING FUNCTION ...................................................  
REMARKS ON USING SOLAR WATCHES .................................................................  
REMARKS ON THE CAPACITOR................................................................................  
HOW TO USE .............................................................................................................  
TO PRESERVE THE QUALITY OF YOUR WATCH......................................................  
SPECIFICATIONS........................................................................................................  
Usted es ahora un honrado poseedor del reloj analógico SEIKO Cal. 5Y75. Para obtener de él los  
mejores resultados, lea las instrucciones del presente panfleto con cuidado antes del uso de su reloj  
analógico SEIKO. Guarde este manual para fácil referencia.  
Sie sind nun stolzer Besitzer einer SEIKO Analoguhr Kal. 5Y75. Um die bestmögliche Nutzung Ihrer  
Uhr zu gewährleisten, lesen Sie bitte die Anleitungen in diesem Heftchen sorgfältig durch, bevor Sie  
die Uhr in Gebrauch nehmen. Verwahren Sie dieses Heftchen, um sich jederzeit wieder informieren  
zu können.  
Siete ora in possesso di un Orologio Analogico SEIKO Cal. 5Y75. Per ottenere i migliori risultati  
dall’uso del Vostro orologio Vi consigliamo di leggere attentamente le istruzioni contenute in questo  
manuale prima di passare ad utilizzare il Vostro Orologio Analogico. Conservate poi il manuale per  
qualsiasi eventuale futuro riferimento.  
Você pode sentir-se orgulhoso de possuir um Relógio SEIKO Analógico Cal. 5Y75. Para obter  
os melhores resultados, leia atentamente as instruções contidas neste opúsculo antes de usar  
o seu Relógio SEIKO Analógico. Conserve este manual para referências futuras.  
 
I
QUICK-START FUNCTION  
SEIKO ANALOGUE QUARTZ  
Even when the watch is left uncharged and the capacitor is completely drained, the  
watch starts operating in a few seconds once exposed to light.  
Cal. 5Y75  
I
ENERGY DEPLETION FOREWARNING FUNCTION  
When the energy in the capacitor is reduced to an extremely small amount, the second  
hand starts moving at two-second intervals to indicate that the watch needs recharging.  
FEATURES  
The SEIKO Quartz Watch Cal. 5Y75 is an analogue watch powered by a solar cell. It is  
equipped with quick-start and energy depletion forewarning functions to ensure  
constant operation of the watch.  
I
TIME  
Three-hand indication.  
I
CALENDAR  
Date is displayed in numerals.  
I
SOLAR CELL  
The solar cell converts light energy into electrical energy, thus powering the watch.  
I
CAPACITOR  
Makes use of a capacitor to store and discharge solar energy, unlike other solar watches  
that use less efficient back-up batteries requiring replacement.  
 
HOW TO CHARGE AND START THE WATCH  
DISPLAY AND CROWN OPERATION  
Even when the watch completely stops operating, it resumes operation once exposed  
to light.  
<Two-second interval operation>  
<One-second interval operation>  
Minute hand  
Crown  
Hour hand  
Keep the watch  
exposed to light.  
Normal operation  
a b  
c
Second hand  
Second hand  
Date  
1. The watch is equipped with a quick-start function. To start the watch, expose the  
watch to sunlight or light of more than 3000 luxes (60W incandescent light at a  
distance of 6 to 12 cm (2.5 to 5 inches), and the second hand starts moving at two-  
second intervals in a few seconds.  
(a) Normal position  
:
Free  
:
(b) First click:  
Clockwise  
Date setting  
Free  
Counterclockwise  
:
2. Keep the watch exposed to light until the second hand moves at one-second  
intervals; otherwise the watch may stop if the light source is removed.  
(c) Second click  
:
Time setting  
 
Notes:  
CHARGING/RECHARGING INFORMATION  
Charging environment and time required  
1. The charging time required varies with the intensity of light. (Refer to the table in  
“CHARGING/RECHARGING INFORMATION”)  
2. When the watch is fully charged, it will keep operating for approximately 3 days.  
3. It is recommended that you keep the watch charged by exposing it to an appropriate  
light source from time to time, rather than letting it run down fully before recharging.  
4. The watch is equipped with a system to prevent overcharge. Even if it is further  
exposed to light after being fully charged, no malfunction will result.  
Light Source  
Charging Time Required  
Illumination  
(Lux)  
For one-second  
interval  
operation  
To maintain  
one-day  
usage  
For full  
charge  
Distance between  
Type of light  
Incandes-  
light and watch  
60 cm (2 ft.)  
60W x 1  
500  
6 hr.  
16 hr.  
2 hr.  
cent light  
5. It is recommended that the watch be fully recharged before time setting is attempted.  
Most offices  
15W x 2 70 cm (2 ft. 4 in.)  
700  
5 hr.  
3 hr.  
10 hr.  
8 hr.  
1.4 hr.  
1,000  
55 min.  
Fluorescent  
light  
15W x 2  
15W x 2  
15W x 2  
20 cm (8 in.)  
12 cm (5 in.)  
3 cm (1.2 in.)  
3,000  
5,000  
1 hr.  
2.8 hr.  
1.7 hr.  
20 min.  
15 min.  
50 min.  
10,000  
10,000  
20 min.  
20 min.  
3 min.  
1 hr.  
1 hr.  
8 min.  
8 min.  
Sunlight  
(Cloudy day)  
Sunlight  
Sunlight  
100,000  
16 min.  
1.5 min.  
(Fine day in summer)  
 
Notes:  
ENERGY DEPLETION FOREWARNING FUNCTION  
1. The table above provides a general guideline of the relationship between the light  
source and the charging time required, which may vary slightly depending on the  
model.  
2. When charging the watch, do not place it too close to hot light sources or expose it  
to direct sunlight for a long time, as a malfunction will result if the watch temperature  
exceeds 50°C (122°F).  
When the energy retained in the capacitor is reduced to an extremely low level, the  
second hand starts moving at two-second intervals to indicate that the watch needs  
recharging.  
In this case, immediately expose the watch to sunlight or strong artificial light and keep  
recharging it until the second hand moves at one-scond intervals.  
<Two-second interval operation>  
<One-second interval operation>  
Expose the watch  
to light.  
Normal operation  
Second hand  
Note: When the second hand starts moving at two-second intervals, the watch will  
stop operating in about 15 hours.  
 
REMARKS ON USING SOLAR WATCHES  
TIME SETTING  
Wear the watch in such a manner that it is not covered by the cuff of your shirt or  
jacket. The second hand keeps moving at one-second intervals as long as it is  
exposed to light.  
1. Pull out the crown all the way to the second click  
when the second hand is at the 12 o’clock position.  
Crown  
Whenever possible, leave the watch in a bright place if you are not wearing it.  
2. Turn the crown to set the hour and minute hands to  
the desired time.  
a b c  
To prevent a watch whose second hand is moving at two-second intervals from  
stopping during the night, leave it under a fluorescent light while you sleep. Then  
follow the instructions on page 11 if it is still not moving at one-second intervals the  
next day.  
3. Push the crown back in to the normal position in  
accordance with a time signal.  
a) Normal position  
b) First click  
c) Second click  
REMARKS ON THE CAPACITOR  
Earlier solar watches relied on both the solar cell and a back up silver-oxide battery  
to keep the movement working. This meant that it was still necessary to change the  
back-up battery after several years. Now, however, a capacitor, which needs no  
replacement, takes the place of the back-up battery, making battery replacement  
completely unnecessary.  
Notes:  
1. 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.  
Never insert a silver oxide battery in place of the capacitor as the watch will not  
operate.  
2. When setting the minute hand, advance it 4 to 5 minutes ahead of the desired time  
and then turn it back to the exact minute.  
 
DATE SETTING  
TO PRESERVE THE QUALITY OF YOUR WATCH  
I WATER RESISTANCE  
Non-water resistance  
Date  
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 an AUTHORIZED SEIKO  
DEALER or SERVICE CENTER.  
1. Pull out the crown to the first click.  
2. Turn the crown clockwise until the previous day’s  
date appears.  
Crown  
3. Pull out the crown to the second click, and advance  
the hour and minute hands until the desired time  
and date appear.  
a b  
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 swimming or diving.  
4. Push the crown back in to the normal position.  
Water resistance (5 bar)*  
a) Normal position  
b) First click  
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 swimming, yachting and taking a shower.  
Water resistance (10 bar/15 bar)*  
Note: Do not set the date between 9:00 p.m. and 1:00 a.m. as the date may not change  
properly. If it is necessary to set the date during that time period, first move the  
hands so that the time shown is either before or after this period, adjust the date  
and then reset the correct time.  
If “WATER RESISTANT 10 BAR” or “WATER RESISTANT 15 BAR”  
is inscribed on the case back, your watch is designed and  
manufactured to withstand up to 10 bar/15 bar and is suitable for  
taking a bath and shallow diving, but not for scuba diving. We  
recommend that you wear a SEIKO Diver’s watch for scuba diving.  
 
* Before using the water resistance 5, 10, or 15 bar watch in water,  
be sure the crown is pushed in completely.  
However, the above conditions will be corrected when the watch re-  
turns to normal temperature.  
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.  
* When taking a shower with the water resistance 5 bar watch, or  
taking a bath with the water resistance 10 or 15 bar watch, be 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.  
I SHOCKS & VIBRATION  
Light activities will not affect your watch, but be careful not to drop  
your watch or hit it against hard surfaces, as this may cause damage.  
I MAGNETISM  
Your watch will be adversely affected by strong magnetism. Keep it  
away from close contact with magnetic objects.  
NOTE:  
I CHEMICALS  
Pressure in bar is a test pressure and should not be considered as  
corresponding to actual diving depth since swimming movement tends  
to increase the pressure at a given depth. Care should also be taken  
on diving into water.  
Be careful not to expose the watch to solvents (e.g., alcohol and  
gasoline), mercury (i.e., from a broken thermometer), cosmetic spray,  
detergents, adhesives or paints. Otherwise, the case, bracelet, etc.  
may become discolored, deteriorated or damaged.  
I TEMPERATURES  
I CARE OF CASE AND BRACELET  
To prevent possible rusting of the case and bracelet caused by dust,  
moisture and perspiration, wipe them periodically with a soft dry cloth.  
Your watch works with stable accuracy between a temperature range  
of 5°C and 35°C (41°F and 95°F).  
Do not leave your watch in very low temperatures below –5°C (+23°F)  
for a long time since the cold may cause a slight time loss or gain.  
 
I PRECAUTION REGARDING CASE BACK PROTECTIVE FILM  
SPECIFICATIONS  
1. Frequency of crystal oscillator ............ 32,768 Hz (Hz = Hertz … Cycles per second)  
If your watch has a protective film and/or a sticker on the case back,  
be sure to peel them off before using your watch. Otherwise,  
perspiration getting in under them may rust the case back.  
2. Loss/gain (monthly rate) ...................... Less than 15 seconds at normal temperature  
range (5°C ~ 35°C) (41°F ~ 95°F)  
I PERIODIC CHECK  
3. Operational temperature range .......... –5°C ~ +50°C (23°F ~ 122°F)  
It is recommended that the watch be checked once every 2 to 3 years.  
Have your watch checked by an AUTHORIZED SEIKO DEALER or SER-  
VICE CENTER to ensure that the case, crown, gasket and crystal seal  
remain intact.  
4. Driving system...................................... Step motor  
5. Additional function ............................... Second setting device, date setting device,  
quick-start function, energy depletion  
forewarning function and overcharge  
prevention function.  
6. Duration of life  
Full charge....................................... 3 days on average.  
2-second interval operation ........... 15 hours on average.  
7. Capacitor ............................................... Button type capacitor, 1 piece.  
8. IC (Integrated Circuit) ........................... C-MOS-LSI, 1 piece.  
* The specifications are subject to change without prior notice, for product improve-  
ment.  
 

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