Seiko Astron Watch GPS Solar Chronograph SSE017J1. No watch on earth could better express Kintaro Hattoris vision that Seiko 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 Seiko Astron watches are 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).