Seiko Astron Solar Watch SSE161J

Seiko Astron SSE161J is the first watch to automatically recognize all time zones on Earth. A watch that adjusts to your time zone with it's hands automatically adjust to the local time. By touching just a single button, Astron adjusts to the correct local time everywhere on the planet. It'ss accurate to one second every 100,000 years, thanks to the time signal it receives from the Atomic Clocks in each GPS satellite.It receives GPS signals even when you are walking or in a vehicle. If you can see the sky, Astron will tell the exact local time, even as you move across. This watch receives all the power it needs from light absorbed through the dial. Not just sunlight, it is able to use all kinds of light, and store excess energy it produces in a power reserve whose charge level is indicated on the dial.