Introduction This Seiko Astron GPS Solar is a sophisticated and reliable timepiece that showcases Seiko’s pioneering satellite timekeeping technology. Featuring a titanium case and bracelet paired with a deep black–blue dial, it offers both high functionality and a refined presence on the wrist. Historical & Collector Value The Astron series is a milestone in modern horology, being the world’s first GPS Solar watch line. It represents Seiko’s long-standing tradition of innovation, combining solar power with satellite synchronization for precise global timekeeping. Collectors appreciate the 8X22 generation for its slimmer profile, enhanced GPS reception, and practical world-time functionality—qualities that make it one of the most respected models within the Astron family. Specifications • Brand: Seiko • Model: Astron GPS Solar • Reference Number: 8X22-0AG0-2 • Movement: Seiko GPS Solar (Cal. 8X22) • Case Material: Titanium with ceramic bezel • Bracelet Material: Titanium • Case Size: Approx. 45.0 mm (measured by caliper) • Functions: • GPS time synchronization • World time • Perpetual calendar • Date display • DST indicator • Water Resistance: 10 bar (as engraved) • Serial Number: 641793 • Accessories: Watch only (no box, no papers) Condition The watch shows signs of regular wear, with scratches visible on the bracelet, clasp, case, and caseback. The dial and hands remain clean and easy to read. The bracelet is sized to approximately 16–17 cm, as shown on the measuring cone. All features are working correctly. Service History • Fully functional (all operations checked) • Overhauled (OH済) for reliable long-term use • Solar charging and GPS reception confirmed Shipping & Customs The watch will be shipped internationally with secure packaging. Buyers are responsible for any customs duties, import taxes, or related charges imposed by their country.