EXPERIENCE GPS TECHNOLOGY
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, powered by energy from light alone, never needs a battery change.
ASTRON CALIBRE 3X
Watches powered by the Seiko in-house built 3X calibre with GPS functionality- exceptional accuracy updated remotely by GPS satellite when the wearer moves between timezones.
ASTRON CALIBRE 5X
Watches powered by the Seiko in-house built 5X calibre with advanced functionality – every component in the GPS module has been re-engineered to make it faster and more intuitive than ever. Just three seconds are needed to advance 14 hours from Tokyo to New York time, thanks to the system that moves hour, minute, and second hand independently.