ISO 12819:2009 specifies two methods for determining the battery life of a battery-powered watch and specifies the labelling to be used by the manufacturers or the distributors to inform the users.According to the available information, either the theoretical battery life or the practical battery life must be calculated using the equations given in ISO 12819:2009.
Document identifier
ISO 12819:2009
Title
Methods of evaluation of the battery life of a battery-powered watch
ISO Category
TC 114: Horology
Publication date
2009-03-15
International Relationship
BS ISO 12819:2009 * BS ISO 12819:2009
History of version
ISO 12819:2009 * ISO 12819:1999
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