Of course this is exactly the case with the seiko astron gps dual time.
Seiko astron gps solar dual time watch.
The world s first gps solar watch.
5x series 5x series.
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.
Seiko claims that after being exposed to bright light the seiko astron gps solar dual time automatically attempts to sync with a signal and of course you can manually sync at any time.
Product description this is the seiko astron gps solar reference number sse077.
But what does dual time actually mean.
When signal strength is good outdoors the watch typically updates the time in a matter of seconds.
The world s first gps solar watch.
The watch boasts a stainless steel case fitted with a ceramic bezel that offers water resistance of 100 meters.