Seiko Tank – Geometric Two-Tone – 1980–1989 A distinctive vintage Seiko Tank from the 1980s, featuring a rare Cartier-like industrial design, geometric two-tone construction and its original integrated bracelet. The angular stainless steel case is enhanced by gold-plated insertions, creating an architectural appearance typical of the bold design language of the period. Its minimalist grey dial and elegant two-hand display complete a watch that feels simultaneously vintage and remarkably contemporary. Technical Details Brand: Seiko Model: Tank / Geometric Two-Tone Period: 1980–1989 Movement: Seiko quartz movement Case material: Stainless steel with gold-plated insertions Case dimensions: Approximately 33 × 29 mm Listed dimensions: Approximately 28 × 33 mm, depending on the measuring points Crystal: Mineral glass Dial: Grey dial Functions: Hours and minutes Water resistance: Not tested; no guarantee is provided Bracelet: Original integrated two-tone stainless steel bracelet Adjustment: Adjustable construction suitable for a wide range of wrists Wrist size: Fits a wrist of up to approximately 22 cm Box: Generic box included Condition: Grade B – signs of use and ageing consistent with its period Condition Report The watch is presented in Grade B vintage condition, displaying visible signs of use and ageing appropriate to a watch from the 1980s. The stainless steel case and integrated bracelet show scratches, small marks and surface wear. The gold-plated insertions display age-related wear and tonal variation, consistent with regular use over the years. The grey dial retains its elegant minimalist appearance, while the mineral glass may show light scratches and small signs of use. The original integrated bracelet is an important element of the design and can be adjusted to accommodate different wrist sizes, up to approximately 22 cm. Water resistance has not been tested and cannot be guaranteed. Due to the age of the watch, contact with water and moisture should be avoided. Please examine all photographs carefully, as they form an important part of the description and provide the best representation of the watch’s condition. Story & Heritage During the 1980s, watch design embraced geometry, integrated bracelets and combinations of contrasting metals. Seiko was particularly successful in translating these international design trends into reliable and distinctive watches powered by precise quartz technology. This Seiko Tank reflects that creative period beautifully. Its angular case, restrained grey dial and gold-plated geometric insertions recall the refined industrial aesthetic associated with celebrated European luxury watches, while preserving Seiko’s unmistakably practical and technically focused identity. The original integrated bracelet is more than a method of attachment—it forms a continuous part of the case architecture, creating the impression that the entire watch was sculpted as a single object. This design approach gives the watch a rare Cartier-like elegance while maintaining a distinctly Japanese interpretation. With its unusual two-tone construction, minimalist dial and original adjustable bracelet, this vintage Seiko is not merely a timekeeper, but an excellent example of the bold geometric design that defined the quartz era. Internal Reference Number - Xtm. 204