Introduction This is a high-technology Seiko Astron GPS Solar men’s watch, powered by Seiko’s advanced GPS-controlled solar movement. The Astron series represents a major milestone in modern watchmaking, combining absolute accuracy with cutting-edge Japanese engineering. Historical & Collector Value Originally introduced as the world’s first GPS solar watch, the Seiko Astron redefined precision timekeeping by automatically adjusting time and date via GPS satellites. Models equipped with the Caliber 8X22 are especially appreciated for their reliability, robust construction, and practical global usability. Early Astron GPS models are becoming increasingly collectible as landmark pieces in horological innovation. Specifications • Brand: Seiko • Model: Astron GPS Solar • Reference Number: 8X22-0AG0 • Movement: GPS Solar Quartz (Cal. 8X22) • Case Material: Stainless steel • Bracelet Material: Stainless steel • Case Size: Approximately 44.8 mm (excluding crown) • Dial: Black with luminous indexes • Functions: • GPS-controlled time adjustment • World Time / Time Zone adjustment • Perpetual calendar • Date display • Daylight Saving Time (DST) indicator • Crystal: Sapphire crystal • Water Resistance: As indicated on case back Condition • Overall condition: Very Good • Case and bracelet show light scratches and signs of careful use. • Bezel shows minor wear consistent with age. • Dial and hands are clean and well preserved. • Crystal shows no major damage. • The watch is running properly at the time of inspection. Service History • Fully tested and confirmed operational • Overhauled (OH completed), providing confidence and peace of mind for continued use Shipping & Customs • Carefully packed and shipped with tracking • International shipping available • Import duties, VAT, and customs charges are the responsibility of the buyer This is a technologically significant Seiko Astron, ideal for collectors and enthusiasts seeking a reliable and historically important modern Japanese timepiece.