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 Lineup
![](https://www.seikowatches.com/ph-en/-/media/Images/Philippines/Seiko/Home/products/astron/astron-series_main_5x_sbxc007.jpg?mh=1125&mw=2000&hash=E76B86D6703E9E307A0BADC4F8A78499)
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.