Speak to your local Casio dealer, it could be that the battery needs replacing, (some watches can need replacements if they have power hungry features which have been used frequently.
If this is not the case, then if there is anything wrong with the watch, then it should be repaired under warranty.
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Speak to your local Casio dealer, it could be that the battery needs replacing, (some watches can need replacements if they have power hungry features which have been used frequently.
If this is not the case, then if there is anything wrong with the watch, then it should be repaired under warranty.