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.
Features
![](https://www.seikowatches.com/middleeast-en/-/media/Images/GlobalEn/Seiko/Home/products/astron/5X_feature_01_05080114690734.jpg?mh=1125&mw=2000&hash=BE89C36ECA02CA0F6F51FF2EC393C52B)
High speed time zone adjustment
A completely new caliber with “high speed time zone adjustment” and a “time transfer function” capability.
![](https://www.seikowatches.com/middleeast-en/-/media/Images/GlobalEn/Seiko/Home/products/astron/5X_feature_02_05080311001146.jpg?mh=1125&mw=2000&hash=BA12F200F63EC40787992AD1CB5A2588)
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.