[Introduction] This Seiko Astron Executive Line SBXB123 represents the pinnacle of Seiko’s advanced quartz watchmaking. Combining cutting-edge GPS Solar technology with a refined, modern design, this model is designed for collectors who appreciate technical innovation paired with everyday reliability. [Historical & Collector Value] The Astron line holds a special place in horological history, originating from Seiko’s legacy as a pioneer of quartz innovation. The Executive Line elevates this concept further, offering premium materials, a sophisticated multi-register dial, and global time synchronization via GPS. Models like the SBXB123 are increasingly sought after by collectors for their blend of high technology and understated luxury. Specifications ◇Brand: Seiko ◇Model: Astron Executive Line ◇Reference: SBXB123 ◇Movement: GPS Solar Quartz ◇Functions: Chronograph, world time, date display, GPS time synchronization ◇Case Material: Titanium ◇Bracelet Material: Titanium ◇Case Size: Approx. 46 mm ◇Water Resistance: 10 bar (100 meters) ◇Made in: Japan ・Condition The watch is in good overall condition with visible signs of normal use, including light scratches consistent with careful wear. The dial, hands, and crystal are clean and well-preserved. All functions operate correctly. ・Service History Fully tested and confirmed to be in working condition GPS reception, time adjustment, and chronograph functions operate as intended Solar charging system functions properly ・Included Accessories 　　‣Original Seiko Astron box 　　‣Instruction manuals 　　‣Original warranty card 　　‣Extra bracelet links ・Shipping & Customs The watch will be carefully packed and shipped with tracking and insurance. International buyers are responsible for any customs duties, VAT, or import taxes imposed by their country.