[Introduction] Seiko Radio Wave Control Solar World Time 8B54-0AA0 is a modern functional wristwatch with a bold stainless steel case, black dial, and integrated world time city bezel. Its solar-powered convenience, strong legibility, and travel-oriented display make it a practical everyday watch with a distinctly technical Seiko character. [Historical & Collector Value] This reference reflects Seiko’s strength in accessible advanced quartz technology, combining solar charging, radio wave control, and world time functionality in a robust analog format. Models powered by the 8B54 movement are appreciated for their usability, solid construction, and continued appeal among buyers seeking a dependable Japanese travel watch. Specifications ◇Brand: Seiko ◇Model: Radio Wave Control Solar World Time ◇Reference: 8B54-0AA0 ◇Case size: 43 mm excluding crown ◇Movement: Solar Quartz ◇Case material: Stainless steel ◇Dial: Black dial with vertical texture and silver-tone baton hour markers ◇Functions: Hours, minutes, central seconds, date, world time, day indicator, 24-hour indicator ◇Bracelet / Strap: Stainless steel bracelet ◇Clasp: Folding clasp ◇Crystal: Crystal fitted ◇Country of manufacture: Japan ・Condition Clean overall condition with light signs of normal use. The case and bracelet present well, the dial remains sharp and legible, and the watch has an attractive sporty appearance. ・Service History The watch has been checked for basic operation and is functioning at the time of listing. Future maintenance may be required depending on usage and buyer standards. ・Shipping & Customs The watch ships from Japan and will be carefully packed for secure delivery. International shipping is available, and any customs duties or import taxes are the buyer’s responsibility.