Introduction This is a Seiko Astron GPS Solar wristwatch, reference 8B63-0BA0, featuring a titanium case and bracelet with a sophisticated multi-function dial. As one of Seiko’s flagship technology lines, Astron represents advanced Japanese engineering combined with practical everyday usability. Historical & Collector Value The Seiko Astron line is historically significant as a pioneer of GPS Solar technology, allowing automatic time adjustment via satellite signals anywhere in the world. Models equipped with the 8B63 movement are valued by collectors for their reliability, world time functionality, and lightweight titanium construction, marking an important evolution in modern quartz watchmaking. Specifications • Brand: Seiko • Model: Astron • Reference Number: 8B63-0BA0 • Movement: GPS Solar Quartz • Case Material: Titanium • Bracelet Material: Titanium • Case Size: Approximately 39.5 mm • Dial: Multi-function with world time and date • Water Resistance: 10 bar • Made in Japan Condition Condition: Very Good The watch shows light signs of use consistent with careful wear. Minor surface marks are present on the case and bracelet. Overall appearance is well preserved. Please refer to the photos for precise condition details. Service History The watch has been fully tested and is confirmed to be in proper working condition. It has been overhauled and serviced to ensure stable performance and reliability. Shipping & Customs International shipping is available. All customs duties, import taxes, and any additional import-related charges are the responsibility of the buyer.