Seiko Astron GPS Solar SAST001 Limited Edition // Pre-owned gshock classic and the overall design is

and the overall design is tough and rugged

Glass: domed sapphire crystal with anti-reflection coating on both sides

the DW-8200

Caliber 8L35

Like its celebrated 1969 predecessor which was the world's first quartz watch

Seiko Astron GPS Solar SAST001 Limited Edition // Pre-owned gshock classic and the overall design isSeiko Astron GPS Solar Limited Edition SAST001 Seiko Astron GPS Solar Caliber 7X52 GPS controlled time and time zone adjustment Hour, minute and second hands Date calendar Perpetual calendar correct to February 2100 Signal reception result indication World time function (39 Time Zones) Daylight Saving Time function Power saving function Accuracy: + 15 seconds per month (without receiving a time signal and in temperatures between 5 and 35) Case: High