Keep the consistency. Who can tell us what’s wrong with this photo? The Seiko Astron is the ultimate tech watch. With a built-in GPS system, this piece automatically adjusts the time based on your location. Styles and colors vary. You can get it in PVD titanium, all titanium, or titanium with ceramic center links. The diameter is 47mm and sits 17mm tall on the wrist. If you want to throw it on another strap, the lugs are 23mm. Powered by a solar powered quartz movement. Learn more about the in-house Seiko caliber 7X52 here. It has a perpetual calendar that is correct until the year 2100 – it even accounts for leap seconds (yes, there is such a thing). One of the joys of having a quartz movement is consistent accuracy. Seiko claims the Astron will keep time within +/- seconds per month. However, that is without receiving a time signal and at temps between 5-35 degrees Celsius. The dial displays the date at 3:00, second time zone at 6:00. At 9:00 you’ll find a GPS on/off indicator, power reserve indicator, airplane mode indicator, and a daylight savings time indicator. Pictured from left to right: SAST007, SAST015, SAST005 Shop Seiko Watches Leave a Reply Cancel Reply Your email address will not be published.CommentName* Email* Website Notify me of followup comments via e-mail.