Now available at auction from Second Vintage A sought-after King Seiko reference in excellent cosmetic condition, this piece stands out with an exceptionally clean silver sunburst dial and a desirable English and Kanji day wheel. The preserved case geometry and the high-beat automatic caliber visible in excellent condition make this a compelling find for enthusiasts of Japanese horology. Brand: Seiko Model: King Seiko Reference Number: 5626-8001 Serial Number: 580515 Movement: Automatic caliber 5626B, 25 jewels Dial: Silver sunburst finish with applied faceted baton indices and applied KS logo Case Size: 36 mm (excluding the crown) Case Material: Stainless steel Production Year: 1975 Condition: Excellent vintage condition. Timegrapher: -4-8s/day, performing remarkably well. Dial and Hands The dial features a silver sunburst finish that is exceptionally clean and well-preserved, showing no significant spotting, staining, or damage. Applied faceted baton indices with black central stripes provide excellent contrast and perfectly complement the dauphine style hands. The hands maintain their shape and finish, displaying only minor surface oxidation and dust visible under high magnification. Applied Seiko and KS logos add depth to the upper and lower dial, while a highly desirable day and date window displays both English and Kanji languages. Case and Crystal The stainless steel case presents an honest vintage condition with preserved lines, featuring polished flanks and brushed upper surfaces. The case geometry and edges remain generally well-defined, displaying light surface scratches and minor handling marks consistent with normal wear. A smooth polished bezel is integrated into the case design, showing light surface scratches consistent with the rest of the case. The watch is fitted with a signed crown bearing the KS logo, which retains well-defined knurling and shows light surface wear. The flat crystal is clear with no significant scratches, chips, or crazing visible. Movement Powering the watch is the automatic Caliber 5626B, a high-beat movement featuring 25 jewels. The movement has a clean appearance with no visible corrosion, oxidation, or significant scratches, and both the rotor and bridges show their factory finishing. The timegrapher records -4-8s/day. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. Strap The watch is fitted with a complementary black leather strap featuring white contrast stitching. The strap shows signs of light use and pairs handsomely with the silver dial. Condition Excellent vintage condition. The dial is exceptionally clean and free of significant wear. The stainless steel case retains well-defined geometry, exhibiting light surface scratches and minor handling marks consistent with normal wear. The smooth bezel and signed crown show similar light wear, while the hands display minor surface oxidation and dust visible under high magnification. The crystal remains clear. The movement is visually clean, and supported by the timegrapher results, is performing very strongly. Dimensions The case measures 36 mm (excluding the crown). Remarks This King Seiko 5626-8001 is a collector favorite that pairs an exceptional silver sunburst dial with a sharp stainless steel case. The inclusion of the English and Kanji day wheel, alongside the beautifully preserved high-beat Caliber 5626B, makes this an excellent opportunity to acquire a highly capable and refined Japanese timepiece. History The King Seiko 56KS series was produced by Suwa Seikosha, placing 1975 examples like this reference among the final models produced. The series is highly regarded by collectors for its elegant aesthetic and robust technical capability. The watch is powered by the automatic Caliber 5626, which features a high-beat rate, hacking seconds, and a day and date calendar. The updated 5626B movement variant replaced the external regulator found on the earlier 5626A with a standard regulator, marking a notable evolution in the caliber's production. Payment and Shipping Payment must be completed within 1–3 days after purchase. Your watch will be professionally and securely packaged, then shipped with tracking and insurance for your peace of mind. We use fast express shipping, with typical delivery within 1–4 business days, depending on the destination. Please note that vintage watches may show minor signs of wear, aging, or imperfections, which are considered normal for watches of this age. We kindly ask you to review all photos carefully before bidding. We photograph each watch from multiple angles to provide the most accurate representation possible, and the photos form an important part of the description. The timegrapher assessment if provided is seen as an indication of the movement’s condition under fully wound testing conditions. As with all vintage watches, results may vary in daily use. If you have any concerns regarding functionality or defects after delivery, please contact us within 3 days of receiving the watch so we can assist you. As with all used watches, water resistance is not guaranteed. If you have any questions, feel free to contact us after the auction ends. / Second Vintage SKU: SEI-KAX-0003