G-Shock GW-1800DJ-1A9 - Manual (Page 78)

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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, or switch to a metal band. Should you ever experience
a rash or other skin irritation, immediately remove the watch and contact a skin care
professional.
Battery
• The special rechargeable (secondary) battery used by your watch is not intended to
be removed or replaced by you. Use of a rechargeable battery other than the special
one specified for this watch can damage the watch.
• The rechargeable battery is charged when the solar cell is exposed to light, and so
regular periodic replacement is not required. However, charging and discharging of
the battery over the years leads naturally to a loss in its ability to sustain a charge
and shortens its operating time. If this happens, contact your original retailer or
authorized CASIO Service Center.