Seiko Astron GPS Solar Chronograph SSE005 canvas strap our most successful watchmaking family

our most successful watchmaking family is returning to the roots of its now vastly-diverse family tree

leading the way with new advances

and also appears in silhouette when the light button is pressed on the DWE5657 and DW6640

designed for sport racing enthusiasts

the Kikkoumon is a nod to the 1960s origins of King Seiko

Seiko Astron GPS Solar Chronograph SSE005 canvas strap our most successful watchmaking familyCaliber: 8X82 Movement: GPS Solar Chronograph Radio: GPS controlled time and time zone adjustment Chronograph: Up to 6 hours in 1 5 second increments Calendar: 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 Case Diameter: 44. 6mm Case Thickness: