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.
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.
5X Series Lineup
Reasons for choosing Seiko Astron. Special story page is now available.
Seiko Prospex, Astron, Presage and 5 Sports “Seiko’s 140th Anniversary Limited Edition” is now available.
<Seiko Astron>Kintaro Hattori 160th Birthday Limited Edition special page is now available.
5X53 Dual-Time Sport Titanium special page is now available.
- 2020.3.5Press Release
A new titanium series for Astron GPS Solar with our most advanced ever calibre
"Turning Point for the Seiko Astron" special page is now available.
The remarkable achievement of the Seiko Quartz Astron lives on. special page is now available.
- 2019.10.31Press Release
A tribute to a watchmaking revolution. The 50th anniversary of the Quartz Astron is celebrated in a limited edition GPS Solar watch.
Seiko Store Finder
The Store Finder can help you find your favorite Seiko timepieces around the world. Find a store near you.Store Finder