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.
High speed time zone adjustment
A completely new caliber with “high speed time zone adjustment” and a “time transfer function” capability.
Time transfer function
The “time transfer function” allows you to switch, simply and instantly, the display of home and destination times between the main dial and the sub dial.
Apr 12, 2022 Press Release
Seiko Astron GPS Solar. The ultimate in precision and performance, now in a new design for the next generation.
Sep 7, 2020 Topics
<Seiko Astron>Kintaro Hattori 160th Birthday Limited Edition special page is now available.
Mar 5, 2020 Press Release
A new titanium series for Astron GPS Solar with our most advanced ever caliber