Introduction This Seiko Astron GPS Solar is a highly advanced timepiece combining Seiko’s pioneering satellite-timekeeping technology with a refined and modern design. With its deep blue dial, titanium construction, and global time-sync capability, it offers both everyday reliability and strong collector appeal. Historical & Collector Value The Astron line represents one of Seiko’s most important technological milestones. As the world’s first GPS Solar watch series, Astron models are valued by collectors for their innovation, precision, and Seiko’s longstanding history of pushing the boundaries of electronic watchmaking. The 8X22 series, known for its slim profile and improved satellite reception, is especially regarded among Astron collectors for its practicality and engineering excellence. Specifications • Brand: Seiko • Model: Astron GPS Solar • Reference Number: 8X22-0AG0 • Movement: Seiko Solar GPS (Cal. 8X22) • Case Material: Titanium with ceramic bezel • Bracelet Material: Titanium • Case Size: Approx. 45 mm (measured) • Functions: • GPS time sync • World time (dual time display) • Perpetual calendar • Date display • DST indicator • Water Resistance: 10 bar (as marked) • Serial Number: 606740 (visible on back) • Accessories: Watch only (no box or papers) Condition The watch is in used condition with visible scratches on the bracelet, clasp, and case, consistent with regular wear. The dial and hands remain clean and legible. Bracelet size shown in photos (approx. 18 cm on measuring cone). All functions have been checked and confirmed operational. Service History • Fully operational and inspected • Overhauled (OH済) – providing added confidence in long-term reliability • Solar charging and GPS reception confirmed Shipping & Customs International shipping with secure packaging. Buyers are responsible for any customs duties, import taxes, or related charges in their respective countries.