Introduction This Seiko Astron GPS Solar is a refined and technologically advanced timepiece that represents one of Seiko’s greatest innovations. With GPS Solar functionality, a titanium case, and a clean black–blue dial, it offers exceptional accuracy and modern practicality for collectors and frequent travelers alike. Historical & Collector Value The Astron GPS Solar series marks an important chapter in Seiko’s history as the world’s first GPS Solar watch. The 8X22 movement introduced improved satellite reception, a slimmer case profile, and enhanced efficiency—features that collectors value for their technical significance and reliability. This reference, crafted from titanium with a ceramic bezel, combines durability with light weight, making it a standout model within the Astron lineup. Specifications • Brand: Seiko • Model: Astron GPS Solar • Reference Number: 8X22-0AG0-2 • Movement: Seiko GPS Solar (Cal. 8X22) • Case Material: Titanium with ceramic bezel • Strap Material: Rubber (aftermarket) • Case Size: Approx. 44.9 mm (measured by caliper) • Functions: • GPS time synchronization • World time • Perpetual calendar • Date display • DST indicator • Water Resistance: 10 bar (engraved on caseback) • Serial Number: 555932 • Accessories: Watch head with rubber strap (no box, no papers) Condition The watch shows visible scratches and wear marks on the case, bezel, and caseback, consistent with regular use. The dial and hands remain clean with strong legibility. The rubber strap is in good used condition, and its size fits approximately 16–19 cm, as indicated in the measurement photos. All functions operate normally. Service History • Fully operational (complete function check performed) • Overhauled (OH済) — providing added long-term reliability • Solar charging and GPS reception confirmed Shipping & Customs International shipping with secure packaging. Buyers are responsible for customs duties, import taxes, or any additional charges required by their country.