Q:

How long does a watch battery last?

A:

Quick Answer

While the exact duration of a watch battery varies according to its age and quality, batteries in new quartz watches typically last a maximum of four years. Replacement watch batteries usually last between one and two years.

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How long does a watch battery last?
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Full Answer

The mechanism of a watch increasingly drains power as it wears down, which happens as the watch ages. This power drain eventually necessitates a replacement of the battery. If a watch has special features, such as lights and alarms, the battery may drain even sooner, especially if the features are used on a regular basis. To mitigate the risk of leakage, owners should replace their batteries every year.

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