Today, the Astron name lives on at Seiko as the brand’s most technologically advanced line of quartz-powered timekeepers, ranking as the world’s first GPS solar watches — i.e., their movements are ...
Seiko introduces two galaxy‑inspired Astron GPS Solar Limited Editions: SSH187J1 and SSJ039J1 Launching in January 2026, the SSH187J1 is limited to 1,500 pieces, while the SSJ039J1 is a non-limited ...