[Introduction] This is a vintage SEIKO AGS SPIRIT Titanium wristwatch, reference 5M43-0B50, representing Seiko’s early innovation in Auto Quartz technology. Combining classic Japanese design with lightweight titanium construction, this model offers both historical significance and everyday usability. [Historical & Collector Value] SEIKO AGS (Automatic Generating System) was Seiko’s pioneering technology introduced in the late 1980s, later evolving into what is now known as Kinetic. The 5M43 movement is one of the early AGS calibers, making this watch particularly appealing to collectors interested in Seiko’s technological evolution. The SPIRIT line was positioned for the domestic Japanese market, emphasizing refined design and reliable engineering. Titanium models from this era are increasingly difficult to find in well-preserved condition, enhancing their collector value. Specifications ◇Brand: SEIKO ◇Model: AGS SPIRIT Titanium ◇Reference Number: 5M43-0B50 ◇Movement: Seiko AGS (Auto Quartz / Kinetic-type) Cal. 5M43 ◇Case Material: Titanium ◇Bracelet Material: Titanium ◇Case Size: Approx. 36 mm (excluding crown) ◇Functions: Time, Day-Date, Power Reserve Indicator ◇Dial: Silver with applied gold-tone indices ◇Made in: Japan ・Condition The watch shows signs of normal use consistent with age, including light scratches on the case and bracelet. Dial, hands, and indices are well preserved. Crown and pushers operate correctly. Please refer to the photos for detailed condition assessment. ・Service History Maintenance and operational checks have been performed. However, please note that battery replacement and/or an overhaul may be required depending on future usage. This statement is clearly disclosed to ensure transparency and buyer confidence. ・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.