{"product_id":"vintage-watch-king-seiko-5621-7030-close-to-nos","title":"Vintage Watch | King Seiko 5621-7030 (Close to NOS)","description":"\u003ch2 dir=\"auto\"\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cstrong\u003eVintage King Seiko 5621-7030: Grammar of Design, Preserved close to NOS (Fully Serviced)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eStep into Seiko’s golden age with this April 1973 King Seiko 5621-7030 — a later-generation 56KS that still carries the language that defined Japanese luxury watchmaking. King Seiko was created as Grand Seiko’s internal rival: same factories, same obsession with accuracy, a slightly more accessible path into the same design philosophy. This time-only reference is one of the cleanest expressions of that idea.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0299\/7639\/5913\/files\/KingSeiko5621_71612_600x600.jpg?v=1789485280\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch3 dir=\"auto\"\u003e\u003cstrong\u003eA Later King Seiko 56KS with the KS Stamp\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eBy 1973 the 56-series King Seikos had moved from early monobloc cases with gold medallions to screw-back construction. This example belongs to that later chapter. Flip it over and you find the engraved KS stamp on the case back rather than a gold medallion — the mark of the generation that refined the line just before quartz pressure ended vintage King Seiko production. The Caliber 5621 automatic inside is the no-date sibling of the better-known 5625\/5626 family: 25 jewels, 28,800 bph hi-beat, hacking seconds, and manual winding. Without a date wheel it is simpler, more robust, and easier to live with than many of its calendar cousins.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0299\/7639\/5913\/files\/KingSeiko5621_71672_600x600.jpg?v=1789485280\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch3 dir=\"auto\"\u003e\u003cstrong\u003eKing Seiko With A Design That Still Speaks\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eTaro Tanaka’s Grammar of Design is written all over the 36 mm stainless case. Case sides and lugs flow in one continuous, faceted curve; mirror-polished planes meet brushed surfaces with the same sharp intersections that later Grand Seiko and modern King Seiko reissues still chase. The white dial stays perfectly balanced — no date window to break the symmetry. Tall, thinly beveled applied indices catch light from every angle; the applied KS logo and slender hands keep the surface quiet and architectural. It is a dress watch that wears modern: classic 36 mm diameter, roughly 41.5 mm lug-to-lug, 18 mm lugs, modest thickness. The same silhouette that inspired decades of Seiko design still looks current on the wrist.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003e\u003cstrong\u003eA 56KS that Close-to-NOS Condition\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThis piece presents as close to new-old-stock as a fifty-plus-year-old King Seiko reasonably can. Original case finishes remain sharp and unmolested; the dial is clean and even; indices, logo and hands are crisp. The KS-stamped case back is intact and honest. It is the kind of survivor collectors look for when they want the Grammar of Design without later polishing or heavy wear.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eMaker:\u003c\/strong\u003e Seiko (Suwa)\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e King Seiko 5621-7030\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eEra:\u003c\/strong\u003e April 1973\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eCase Diameter:\u003c\/strong\u003e 36 mm\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eLug to Lug:\u003c\/strong\u003e approx. 41.5 mm\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eLug Width:\u003c\/strong\u003e 18 mm\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eCase:\u003c\/strong\u003e Stainless steel, later-generation screw-back with KS stamp\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eDial:\u003c\/strong\u003e White textured, applied markers and KS logo, time-only\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eMovement:\u003c\/strong\u003e Automatic Cal. 5621, 25 jewels, 28,800 bph, hacking, hand-wind just serviced by our watchmaker in Japan\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eOverall Condition:\u003c\/strong\u003e Close to NOS — original finishes, clean dial, sharp case lines\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003eThis vintage King Seiko 5621-7030 is both a wearable daily piece and a reference point for anyone who follows how Seiko’s design grammar travelled from the early 1970s into today’s Grand Seiko and King Seiko collections. Add it to your collection and wear a chapter of that story.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003eIt comes with your choice of colour from our premium leather straps. Tell us which strap you would like paired with this King Seiko.\u003c\/span\u003e\u003c\/p\u003e","brand":"Samurai Vintage Co.","offers":[{"title":"Default Title","offer_id":51650772500726,"sku":null,"price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7639\/5913\/files\/KingSeiko5621_71552.jpg?v=1789485280","url":"https:\/\/thesamuraivintage.com\/products\/vintage-watch-king-seiko-5621-7030-close-to-nos","provider":"Samurai Vintage Co.","version":"1.0","type":"link"}