
SEIKO Astron watches represent one of the most advanced innovations in modern watchmaking. The Astron series introduced the world’s first GPS solar watch, capable of automatically adjusting time based on your location anywhere on Earth.
These watches combine cutting-edge technology with refined Japanese craftsmanship, offering precision timekeeping powered by light.


![Seiko Astron NEXTER SBXY039 Men's Solar-Powered Radio-Controlled Watch with World Time Function, Black [S_BH]](http://japanheartfulstore.com/cdn/shop/files/theclockhouse_sbxy039_1.jpg?v=1766196677&width=700)
![Seiko Astron NEXTER SBXY039 Men's Solar-Powered Radio-Controlled Watch with World Time Function, Black [S_BH]](http://japanheartfulstore.com/cdn/shop/files/theclockhouse_sbxy039_2.jpg?v=1766196677&width=600)
























![Seiko Astron NEXTER 2nd Collection NOVA SBXY051 Men's Solar-Powered Radio-Controlled Watch with World Time Function and Black Dial [S_BH]](http://japanheartfulstore.com/cdn/shop/files/theclockhouse_sbxy051_1_d_20220906132331.jpg?v=1766195980&width=700)
![Seiko Astron NEXTER 2nd Collection NOVA SBXY051 Men's Solar-Powered Radio-Controlled Watch with World Time Function and Black Dial [S_BH]](http://japanheartfulstore.com/cdn/shop/files/theclockhouse_sbxy051_2_d_20220906132331.jpg?v=1766195979&width=600)
















![Seiko Astron NEXTER SBXY037 Men's Solar-Powered Radio-Controlled Watch with World Time Function, Blue-Gray [S_BH]](http://japanheartfulstore.com/cdn/shop/files/theclockhouse_sbxy037_1.jpg?v=1766195757&width=700)
![Seiko Astron NEXTER SBXY037 Men's Solar-Powered Radio-Controlled Watch with World Time Function, Blue-Gray [S_BH]](http://japanheartfulstore.com/cdn/shop/files/theclockhouse_sbxy037_2.jpg?v=1766195757&width=600)
