The world’s first GPS solar watch. By connecting to the GPS network, the Astron adjusts at the touch of a button to your time zone and, by taking all the energy it needs from light alone, never needs a battery change.

5X Series

High speed time zone adjustment. Time transfer function

5X Series

Astron GPS Solar communicates with the GPS network and adjusts to your time zone anywhere on Earth. With high speed time zone adjustment and the time transfer function, the new Astron 5X is the most advanced in history.

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Features

Photo of the dial of 5X Series

High speed time zone adjustment

A completely new caliber with “high speed time zone adjustment” and a “time transfer function” capability.

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Seiko Store Finder

The Store Finder can help you find your favorite Seiko timepieces around the world. Find a store near you.

Store Finder

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