King Seiko Vanac 56KS "Gradated Blue Dial" Chronometer-Grade 1973

An exceptional piece of Seiko’s golden era: The 1973 King Seiko Vanac (Ref. 5626-7190) manufactured by the Suwa Seikosha factory. This is a true JDM (Japanese Domestic Market) vintage masterpiece. Key Technical Features: - Caliber: High-Grade Suwa 5626 automatic movement running at 28,800 vibrations per hour (Hi-Beat). Features micro-regulator, hacking seconds, and chronometer-level architecture. - Dial & Hands: Stunning untouched dual-tone gradated blue/teal sunburst dial. Faceted gold-applied hour markers with matching gold baton hands and a gold "KS" applied logo. - Crystal: Original 9-faced faceted Hardlex crystal creating a dramatic geometric light distortion. - Calendar: Day/Date complication at 3 o'clock with Kanji (Japanese) and English day disc. - Case & Bracelet: Unpolished sharp angular stainless steel case showing factory bevels, paired with the iconic gold-accented bezel and its original, full-length signed Vanac stainless steel bracelet. Serial Number: 313145 (Production date: January 1973). A pristine, highly sought-after reference for serious vintage vintage Seiko collectors.