Seiko Astron GPS Solar Duel Time SSE079 Laco Chronographs TRIER 861915 this timepiece features a monocoque

this timepiece features a monocoque case (2 piece construction resulting in no caseback) resulting in extreme rigidity

With the first strategic extension of the AIKON range

Module: 3230

and the army

Seiko Astron GPS Solar Duel Time SSE079 Laco Chronographs TRIER 861915 this timepiece features a monocoqueSeiko Astron GPS Solar Duel Time SSE079 Astron is the first watch to automatically recognize all time zones on Earth. With the touch of a single button, Astron adjusts to the correct local time everywhere on the planet.* Always accurate. Seiko Astron is accurate to one second every 100,000 years, thanks to the time signal it receives from the Atomic Clocks in each GPS satellite. Astron never stops. Astron receives all the power it needs from light