Introduction This Seiko Astron represents one of the brand’s most advanced achievements in modern watchmaking. Equipped with GPS Solar technology, it offers precise global time synchronization with the reliability and practical functionality for which Seiko is renowned. Historical & Collector Value The Astron series is significant in Seiko’s history as the world’s first GPS Solar watch line, reflecting the brand’s long-standing pursuit of innovation since the original 1969 Quartz Astron. Models featuring the 7X52 movement—like this one—are valued for introducing multi-function GPS synchronization and ceramic–titanium construction, a combination that has become a hallmark of Seiko’s high-end technical design. Specifications • Brand: Seiko • Model: Astron • Reference number: 7X52-0AF0 (visible on caseback) • Movement: Seiko GPS Solar (7X52) • Case material: Titanium with ceramic components • Bracelet material: Titanium with ceramic links • Case size: Approx. 47.2 mm (measured) • Functions / Features: • GPS Solar • World Time • Date display • Power reserve indicator • 10 bar water resistance (as marked) • Serial number: 352717 • Accessories: • Original box • Guarantee card (visible in image) Condition The watch presents light signs of use on the case and bracelet, consistent with normal wear. The dial and hands are clean, and all indicators remain legible. Functionality has been checked and the watch is operating normally. Service History • Fully operational (movement checked) • Overhauled (OH済) for buyer reassurance Shipping & Customs International shipping available. Import duties, taxes, and customs fees are the responsibility of the buyer.