Automatic Watches

Automatic watches do not contain batteries and are instead charged by movement. Power is generated as the watch moves on the wrist. That power is then stored in a spring and released gradually.

When fully charged the power reserve usually lasts for approximately 38 hours.

When an automatic watch runs out of charge it should be 'initiated' by winding it manually. This means turning the crown clockwise approximately 10 times, or until it starts to feel tight. If an automatic watch is not initiated after stopping it may run out of charge, slow down, or keep stopping and starting. 

ALWAYS RE-INITIATE YOUR AUTOMATIC WATCH AFTER IT STOPS COMPLETELY. 

The amount of charge generated can be increased by wearing a tight fitting strap so, instead of the watch itself moving, the internal parts of the watch move and charge the movement.

Automatic watches are generally not as accurate as quartz watches. It is not abnormal to notice time variances of -10 to +30 seconds per day. 

For more information on movements please click here.

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