Seiko SSJ039J1 Astron GPS Solar Swirling Stars Limited Edition Chronograph Men l81154916 stick markings at five-minute intervals

stick markings at five-minute intervals and slanted lines to mark the one-minute intervals

Inside resides the remarkable automatic chronograph calibre R650 with 47 hours power reserve

These chronographs are powered by an exclusive LONGINES calibre equipped with a silicon balance-spring

powered by the premium Rado calibre R734 featuring a Nivachron™ hairspring

Wear this Swiss-made timepiece when dark styling is called for

Seiko SSJ039J1 Astron GPS Solar Swirling Stars Limited Edition Chronograph Men l81154916 stick markings at five-minute intervalsSeiko Astron The world's first GPS solar watch. Seiko has, once again, has set a new world standard in watchmaking. Crafted for the world travellers, the Seiko Astron syncs with the satellites and adjusts to your time zone at the touch of a button. And, by taking all the energy it needs from light alone, it never needs a battery change. When the watch connects with one or more GPS satellites, it re sets the time to a precision of one second every