Seiko - King Seiko Chronometer 'Serviced' - No reserve price - 5626-7041 - Men - 1973

Presented for auction by Second Vintage This highly desirable King Seiko Chronometer from 1973 delivers an exceptional blend of precision engineering and distinct Japanese domestic market charm. Featuring an officially certified chronometer dial and a dual English and Japanese Kanji day wheel, this 56KS variant is a sought-after collector favourite. Adding a layer of unique provenance, the caseback bears a personalized engraving commemorating twenty years of service, giving this timepiece a wonderful sense of individual history. Brand: Seiko Model: King Seiko Chronometer Reference Number: 5626-7041 Serial Number: 383304 Movement: Automatic Caliber 5626B, 25 Jewels Dial: Silver sunburst, applied indices, English and Japanese Kanji day/date Case Size: 36 mm (excluding the crown) Case Material: Stainless Steel Production Year: 1973 Condition: Excellent vintage condition. Movement serviced on 29 June 2026. Timegrapher: +15+18s/day, performing remarkably well. Dial and Hands The dial is exceptionally clean and attractive, defined by a beautifully preserved silver sunburst finish that catches the light with subtle brilliance. The applied indices and the crisp Seiko logo provide excellent depth, while the "CHRONOMETER OFFICIALLY CERTIFIED" printing remains fully intact. A highly desirable feature is the day/date aperture at three o'clock, which includes both English and Japanese Kanji text. The black baton hands offer a striking contrast against the bright dial, displaying a clean finish with no visible oxidation or damage. Under close macro inspection, only minor dust particles are visible, doing little to detract from the dial's excellent preservation. Case and Crystal The stainless steel case displays honest wear consistent with its age, maintaining a handsome overall presence on the wrist. The polished flanks exhibit surface scratches and minor dings, while the edges show some softening from wear and possible past polishing. The integrated smooth bezel carries surface scratches consistent with the rest of the case. On the right side, the crown is clearly signed with the KS logo, showing good definition. The caseback features a personalized engraving celebrating twenty years of service, providing a charming historical touch. The flat crystal offers clear visibility of the dial beneath, though it does present some minor surface scratches and dust. Movement Inside this watch beats the Seiko Caliber 5626B, a 25-jewel automatic hi-beat movement renowned for its smooth sweep and precise operation. The movement presents beautifully, with clean plates and bridges, an intact rotor, and no visible corrosion or significant staining. The caliber is clearly engraved with the Seiko name and jewel count. Recording +15+18s/day on the timegrapher, it is exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. The movement was serviced on 29 June 2026. Strap The watch is fitted with a brown leather strap featuring white contrast stitching. The strap appears new or very lightly used, providing an attractive pairing that complements the classic tones of the dial and case. Condition Excellent vintage condition. The movement was serviced on 29 June 2026 and, supported by the recorded timegrapher result, is performing very strongly. The silver sunburst dial and black baton hands are exceptionally clean and well-preserved, showing only minor dust particles under macro magnification. The stainless steel case and smooth bezel present honest wear, with surface scratches, minor dings on the polished sections, and some softening to the edges from age and previous polishing. The crystal remains clear, bearing only minor surface scratches and dust. The movement is clean and visually excellent. Dimensions The case measures 36 mm in diameter (excluding the crown). Remarks This King Seiko Chronometer represents a fantastic opportunity to acquire a highly specified variant of the celebrated 56KS line. The combination of the chronometer-certified dial, the desirable Kanji day wheel, and the charming commemorative engraving makes this a particularly compelling example for the discerning collector. History The King Seiko line was created during an era of intense internal competition at Seiko, driving rapid advancements in precision and finishing. The 56KS series, introduced in the late 1960s, represented a significant evolution in Seiko's automatic movements, utilizing a hi-beat caliber that offered superb accuracy in a more compact profile. Chronometer-certified examples of the 56KS are particularly celebrated by enthusiasts, representing the pinnacle of King Seiko's commitment to mechanical excellence during the golden age of Japanese watchmaking. 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-SCK-0004