Table of Contents
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CONTENTS
1 HOW TO USE
Handling cautions ............................................ 3
(Hand-wound, auto-wound) ............................. 7
Names of the parts and their functions ............ 8
Crown .............................................................. 9
Screw lock type button .................................. 10
How to wind the mainspring .......................... 11
2 HOW TO SET THE TIME AND DATE
How to set the time and date ......................... 13
3 HOW TO USE THE CHRONOGRAPH
How to use the chronograph ......................... 17
How to use the stopwatch ............................. 18
How to use the tachymeter ............................ 21
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4 TO PRESERVE THE QUALITY OF YOUR
WATCH
Daily care ...................................................... 23
Performance and type ................................... 24
Lumibrite ....................................................... 25
Water resistant performance ......................... 26
Magnetic resistant performance .................... 27
Band .............................................................. 29
(Special clasps) ............................................. 32
How to use an easy adjust type clasp ............ 38
After sales service ......................................... 41
Accuracy of mechanical watches .................. 43
Troubleshooting ............................................ 45
Specifications ................................................ 47
Thank you very much for choosing a SEIKO watch.
For proper and safe use of your SEIKO watch,
please read carefully the instructions in this
booklet before using it.
Keep this manual handy for easy reference.
* Length adjustment service for metallic bands is available at the retailer from
whom the watch was purchased. If you cannot have your watch repaired by
the retailer from whom the watch was purchased because you received the
watch as a gift, or you moved to a distant place, please contact SEIKO
CUSTOMER SERVICE CENTER. The service may also be available on a
chargeable basis at other retailers, however, some retailers may not undertake
the service.
* If your watch has a protective film for preventing scratches, make sure to peel
it off before using the watch. If the watch is used with the film on it, dirt, sweat,
dust, or moisture may be attached to the film and may cause rust.
Handling cautions
b WARNING
Please note that there is a risk of serious consequences such as severe injury if the following
safety regulations are not strictly observed.
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.
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.
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