Automatic Watches
Automatic watches are mechanical wristwatches in which a rotor winds the movement using the movement of the wrist. Regular battery changes are not needed, but the mechanical movement requires maintenance in accordance with the manufacturer's recommendations.
Compare the power reserve, movement, case size, glass, water resistance, and strap. Also check out our skeleton watches, Swiss watches, and all watches.
How does an automatic watch work?
An automatic watch rotor moves with the motion of your wrist and winds the mainspring. If the watch is not worn enough, it may stop once its power reserve runs out.
Automatic watch power reserve
The power reserve indicates how long a fully wound movement can run without additional movement or manual winding. This value varies from one movement to another.
Automatic watch accuracy and maintenance
The timekeeping accuracy of a mechanical watch is usually expressed as a range and may differ from that of a quartz watch. The service interval depends on the movement, usage, and the manufacturer's instructions.
Frequently asked questions about automatic watches
Does an automatic watch need a battery?
A standard mechanical automatic watch does not use a battery for power. Energy is stored in the spring through wrist movement or, depending on the model, manual winding.
Why does an automatic watch stop?
A watch may stop if its power reserve runs out. The length of the power reserve varies by model.
Is an automatic watch as accurate as a quartz watch?
Generally, a quartz watch is more accurate. The permitted timekeeping deviation of a mechanical watch depends on the movement and any potential certification.
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