This new version of the ASTRON GPS Solar 5X adjusts the time zone via GPS in just 3 seconds. With an accuracy of +/- 1 second every 100,000 years, this model features a case reminiscent of the shape of the first Seiko ASTRON quartz watch from 1969. With all the typical functions of the 5X caliber and its unmatched reliability, this timepiece it is a real must for anyone who loves watchmaking technology.