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CONTENTS
1. ABOUT THIS PRODUCT
HANDING CAUTIONS …………………… ６０
CHARACTERISTICS …………………… ６４
NAMES OF THE PARTS AND THEIR FUNCTION … ６５
7R87: Manual winding type with date setting
function ……………………………… ６６
7R88: Manual winding type with date setting
function ……………………………… ６７
7R89: Manual winding type with moon phase
display function …………………… ６８
7R99: Manual winding type ……………… ６９
5R77: Automatic type (with manual winding
function) featuring moon phasedisplay
function …………………………… ７０
CROWN ……………………………………… ７１
2. BEFORE USING THE WATCH
HOW TO WIND THE MAINSPRING
(7R series) …………………………………… ７２
Guide for winding state of the mainspring … ７２
How to manually wind the mainspring … ７３
HOW TO WIND THE MAINSPRING (5R series) …… ７４
Guide for winding state of the mainspring … ７４
How to manually wind the mainspring … ７５
POWER RESERVE INDICATOR ……… ７６
How to read the Power reserve indicator … ７７
３. HOW TO SET THE DATE, TIME, AND MOON PHASE
HOW TO SET THE DATE AND TIME (7R87, 7R88) … ７８
How to set the date and time …………… ７８
Date adjustment on the fi rst day after a
month that has less than 31 days ……… ８２
HOW TO SET THE TIME (7R99) ……… ８４
HOW TO SET THE TIME AND MOON
PHASE (7R89, 5R77) ……………………… ８６
How to set the time and moon phase …… ８６
How to set the moon phase ……………… ８８
TIPS FOR MORE ACCURATE TIME SETTING … ９１
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1
ABOUT THIS PRODUCT
・Keep the watch and accessories out of the reach of babies and children.
Care should be taken to prevent a baby or a child accidentally swallowing the accessories.
If a baby or child swallows the battery or accessories, immediately consult a doctor, as it
will be harmful to the health of the baby or child
WARNING
・Immediately stop wearing the watch in following cases.
○ If the watch body or band becomes edged by corrosion etc.
○ If the pins protrude from the band.
※ Immediately consult the retailer from whom the watch was purchased or SEIKO CUSTOMER SERVICE CENTER.
To indicate the risks of serious consequences such as severe injuries unless the following safety
regulations are strictly observed.
HANDLING CAUTIONS
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3
4
5
6
4. TO PRESERVE THE QUALITY OF YOUR WATCH
DAILY CARE ……………………………… ９２
PERFORMANCE AND TYPE …………… ９３
WATER RESISTANCE …………………… ９４
MAGNETIC RESISTANCE ……………… ９６
WATCH BAND …………………………… ９８
HOW TO USE THE THREE-PIECE FOLDOVER CLASP … １００
REMARKS ON 18-KARAT GOLD …… １０２
WATCH BODY/METAL BRACELET １０３
LumiBrite ………………………………… １０４
AFTER-SALE SERVICE ……………… １０６
5. TROUBLESHOOTING
TROUBLESHOOTING ……………… １０８
6. SPECIFICATIONS
SPECIFICATIONS …………………… １１２
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ABOUT THIS PRODUCT
・Avoid the following places for wearing or keeping the watch.
○ Places where volatile agents （cosmetics such as polish remover, bug repellent, thinners etc.） are vaporizing
○ Places where the temperature drops below 5℃ or rises above 35 ℃ for a long time ○ Places of high humidity
○ Places aff ected by strong magnetism or static electricity
○ Dusty places
○ Places aff ected by strong vibrations
CAUTIONS
・If you observe any allergic symptoms or skin irritation
Stop wearing the watch immediately and consult a specialist such as a dermatologist or an allergist
・Other cautions
○ Do not disassemble or tamper with the watch.
○ Keep the watch out of the reach of babies and children.
Extra care should be taken to avoid risks of any injury or allergic rash or itching that may be caused when they touch the watch.
To indicate the risks of light injuries or material damages unless the following safety regulations
are strictly observed.
