Seiko Astron GPS Solar Duel Time SSE107 G-Shock G-Steel Black and Mustard GSTS120L-1B Movement: GL20

Movement: GL20

buckle: Butterfly in stainless steel

Caliber: Ball Rr2102

eco-friendly

Seiko Astron GPS Solar Duel Time SSE107 G-Shock G-Steel Black and Mustard GSTS120L-1B Movement: GL20Seiko Astron GPS Solar Duel Time SSE107 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