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CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome
Shibuya-ku, Tokyo 151-8543, Japan
Metal Components
• Failure to clean dirt from metal components can lead to formation of rust, even if components
are stainless steel or plated. If metal components exposed to sweat or water, wipe thoroughly
with a soft, absorbent cloth and then place the watch in a well-ventilated location to dry.
• Use a soft toothbrush or similar tool to scrub the metal with a weak solution of water
and a mild neutral detergent, or with soapy water. Next, rinse with water to remove all
remaining detergent and then wipe dry with a soft absorbent cloth. When washing metal
components, wrap the watch case with kitchen plastic wrap so it does not come into
contact with the detergent or soap.
Bacteria and Odor Resistant Band
• The bacteria and odor resistant band protects against odor generated by the formation
of bacteria from sweat, which ensures comfort and hygiene. In order to ensure maximum
bacteria and odor resistance, keep the band clean. Use an absorbent soft cloth to
thoroughly wipe the band clean of dirt, sweat, and moisture. A bacteria and odor resistant
band suppresses the formation of organisms and bacteria. It does not protect against
rash due to allergic reaction, etc.
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage
or loss suffered by you or any third party arising through the use of your watch or its
malfunction.
User Maintenance
Caring for Your Watch
Remember that you wear your watch next to your skin, just like a piece of clothing.
To ensure your watch performs at the level for which it is designed, keep it clean by
frequently wiping with a soft cloth to keep your watch and band free of dirt, sweat, water
and other foreign matter.
• Whenever your watch is exposed to sea water or mud, rinse it off with clean fresh water.
• For a metal band or a resin band with metal parts, use a soft toothbrush or similar tool to
scrub the band with a weak solution of water and a mild neutral detergent, or with soapy
water. Next, rinse with water to remove all remaining detergent and then wipe dry with a
soft absorbent cloth. When washing the band, wrap the watch case with kitchen plastic
wrap so it does not come into contact with the detergent or soap.
• For a resin band, wash with water and then wipe dry with a soft cloth. Note that sometimes
a smudge like pattern may appear on the surface of a resin band. This will not have any
effect on your skin or clothing. Wipe with a cloth to remove the smudge pattern.
• Clean water and sweat from a leather band by wiping with a soft cloth.
• Not operating a watch crown, buttons, or rotary bezel could lead to later problems with
their operation. Periodically rotate the crown and rotary bezel, and press buttons to
maintain proper operation.
Dangers of Poor Watch Care
Rust
• Though the metal steel used for your watch is highly rust-resistant, rust can form if your
watch is not cleaned after it becomes dirty.
− Dirt on your watch can make it impossible for oxygen to come into contact with the
metal, which can lead to breakdown of the oxidization layer on the metal surface and
the formation of rust.
• Rust can cause sharp areas on metal components and can cause band pins to fly out of
position or to fall out. If you ever notice any abnormality immediately stop using your watch
and take it to your original retailer or to an authorized CASIO service center.
• Even if the surface of the metal appears clean, sweat and rust in crevasses can soil the
sleeves of clothing, cause skin irritation, and even interfere with watch performance.
Premature Wear
• Leaving sweat or water on a resin band or bezel, or storing your watch an area subject
to high moisture can lead to premature wear, cuts, and breaks.
Skin Irritation
• Individuals with sensitive skin or in poor physical condition may experience skin irritation
when wearing a watch. Such individuals should keep their leather band or resin band
particularly clean. Should you ever experience a rash or other skin irritation, immediately
remove your watch and contact a skin care professional.
Battery Replacement
• Leave battery replacement up to your original retailer or authorized CASIO service center.
• Have the battery replaced only with the type specified in the User’s Guide. Use of a different
battery type can cause malfunction.
• When replacing the battery, also request a check for proper water resistance.
• Ornamental resin components may become worn, cracked, or bent over time when
subjected to normal daily use. Note that if cracking or any other abnormality indicating
possible damage is noticed in a watch submitted for battery replacement, your watch
will be returned with an explanation of the abnormality, without the requested servicing
being performed.
Initial Battery
• The battery that comes loaded in your watch when you purchase it is used for function
and performance testing at the factory.
• The test battery may go dead quicker than the normally rated battery life as noted in
the User’s Guide. Note that you will be charged for replacement of this battery, even if
replacement is required within your watch’s warranty period.
Low Battery Power
• Low battery power is indicated by large timekeeping error, by dim display contents, or
by a blank display.
• Operation while battery power is low can result in malfunction. Replace the battery as
soon as possible.
OPUM-G