Seiko Astron Watch GPS Solar Chronograph Blue. No watch on earth could better express Kintaro Hattoris vision that Seiko watches should always be one step ahead of the rest. To add a chronograph and an electronic setting function in the crown, all in a smaller case size, demonstrates that Astron is redefining the industrys idea of what a watch can deliver. This watch sets a new world standard in electronic watchmaking. 

Caliber Specifications: 8X82, GPS Solar Chronograph. GPS controlled time and time zone adjustment. Chronograph up to 6 hours in 1/5 second increments. Perpetual calendar correct to the year 2100, Signal reception result indication. World time function (40 Time Zones), Daylight Saving Time function, Power save function Accuracy: /-15 seconds per month (without receiving a time signal and at temperatures between 5'C and 35'C).