Introduction The Seiko Astron represents one of Seiko’s most advanced technologies: a solar-powered GPS timekeeping system that adjusts to your location anywhere in the world. This model combines a robust sport design with luxurious rose-gold tones and a ceramic bezel, making it both technically impressive and visually striking. ⸻ Historical & Collector Value Introduced as the world’s first GPS solar watch line, the Astron series has become a landmark in Seiko’s modern innovation history. The 8X53 model is appreciated by collectors for its strong build quality, world-time functionality, and the combination of ceramic + titanium, making it lightweight yet highly durable. ⸻ Specifications • Brand: Seiko • Model: Astron GPS Solar • Reference: 8X53-0BB0-2 • Movement: GPS Solar (cal. 8X53 / Japan) • Case Material: Titanium & Ceramic (rose-gold tone) • Bezel: Ceramic (black) • Strap: Seiko rubber strap with signed buckle • Case Diameter: 45.8 mm (measured without crown) • Water Resistance: 20 BAR • Functions: • GPS time sync • World time / UTC • Perpetual calendar • Power reserve indicator • Dual-time sub-dial • Case Back: GPS Solar globe engraving • Made in: Japan • Accessories: Original Seiko box ⸻ Condition • Case: Noticeable wear, especially on the rose-gold coating • Bezel: Very good condition • Crystal: No major scratches visible • Dial: Excellent condition • Strap: Rubber strap shows light wear • Case Back: Clean engravings, minor wear only Please review the photos carefully to understand the overall condition. ⸻ Service History / Operation • Fully functional — solar charging, timekeeping, and GPS sync tested • All hands and sub-dials operate correctly • Ready for immediate use ⸻ Shipping & Customs The watch will be shipped securely with tracking. Buyers are responsible for customs duties and import taxes according to their country’s regulations.