Seiko - King Seiko Vanac "Emerald Green Sunburst" 皇光 (Kōkō) – Imperial Light - 5626-7180 - Men - 1973

Offered in this auction by Second Vintage A rare opportunity to acquire one of Seiko’s most daring and desirable designs, this King Seiko Vanac reference 5626-7180 captures the innovative spirit that defined Seiko’s golden era. Produced in limited numbers, the KS Vanac stands out for its unmistakable emerald green dial, robust King Seiko automatic movement, and its period-correct Seiko bracelet—traits that make this an exceptional find for collectors seeking authenticity and presence. Brand: Seiko Model: King Seiko Vanac Reference Number: 5626-7180 Serial Number: 35706 Movement: Automatic (King Seiko) Dial: Emerald green sunburst with gold-tone applied hour markers and hands, framed day-date at 3 o’clock, KS and Vanac signatures Case Size: 37mm (excluding the crown) Case Material: Stainless steel Production Year: 1973 Condition: Excellent vintage condition with strong case lines, vibrant dial, and excellent bracelet. Running within vintage tolerances. Dial and Hands The dial is a true standout, featuring a rich green sunburst effect that transitions to deep hues at the edges. Applied gold-tone indices and hands offer striking contrast and depth, with all luminous elements showing appealing, even patina. The framed day-date at 3 o’clock is crisp, while the KS and Vanac markings further assert this watch’s distinctive character. All text remains clear and legible, and the dial surface is clean and well-preserved. Case and Crystal The 37mm stainless steel case boasts sharp, angular contours that exemplify 1970s Seiko design. Case surfaces show only minor, honest signs of wear, retaining impressive definition and original finish. The flat crystal is free of distracting blemishes and offers excellent clarity to showcase the vivid dial beneath. Movement Powered by Seiko’s respected King Seiko automatic movement, this example winds smoothly and runs reliably within vintage tolerances—offering both collectible value and classic functionality. Strap The watch is paired with a period-correct Seiko stainless steel bracelet, featuring bold, angular links that perfectly complement the case design. The bracelet remains tight and secure, sized for wrists up to 18cm, and greatly enhances the watch’s cohesive vintage appeal. Condition This KS Vanac is presented in excellent vintage condition, retaining its sharp case profile, untouched vibrant dial, and original bracelet. With minimal surface marks and graceful patina developing on the luminous elements, this example presents as a superb, collector-worthy piece. Dimensions Case diameter: 37mm (excluding the crown) Bracelet fits wrists up to 18cm Remarks A seldom-seen model even among discerning collectors, this Seiko KS Vanac offers a compelling mix of rarity, period design, and authenticity. Its bold coloration and preserved condition create a standout wrist presence that captures the adventurous energy of 1970s watchmaking. History Launched in the early 1970s, the Vanac line represented Seiko’s willingness to embrace innovative colorways and assertive styling. The KS Vanac model combined the enduring quality of King Seiko with a distinct aesthetic punch, making these watches highly coveted today. Surviving in such original, unaltered condition —this example stands out as a prize among vintage Seikos. / Second Vintage SKU: SEI-SKV-0010