{"id":21987,"date":"2026-09-10T10:58:49","date_gmt":"2026-09-10T10:58:49","guid":{"rendered":"https:\/\/www.gioielleriasessamario.com\/prodotto\/seiko-acciaio-laminato\/"},"modified":"2026-09-24T04:31:59","modified_gmt":"2026-09-24T04:31:59","slug":"vintage-seiko-quartz-cushion-in-rolled-steel-cal-8621","status":"publish","type":"product","link":"https:\/\/www.gioielleriasessamario.com\/en\/product\/vintage-seiko-quartz-cushion-in-rolled-steel-cal-8621\/","title":{"rendered":"Vintage Seiko Quartz Cushion in Rolled Steel &#8211; Cal. 8621"},"content":{"rendered":"<p><span style=\"font-size: 1rem\">An elegant vintage Seiko Quartz, never worn, featuring a refined cushion-shaped case. The clean, essential silver dial is enhanced by slim applied markers and linear hands. A model of sober, distinctive design, expressing the elegance of Seiko of the period.<\/span><\/p>\n<ul>\n<li data-section-id=\"1b37yph\" data-start=\"456\" data-end=\"476\"><strong data-start=\"458\" data-end=\"468\">Brand:<\/strong> Seiko<\/li>\n<li data-section-id=\"cnk50g\" data-start=\"497\" data-end=\"525\">\n<strong data-start=\"499\" data-end=\"513\">Reference:<\/strong> 8621-5100\n<\/li>\n<li data-section-id=\"ixxsr0\" data-start=\"526\" data-end=\"548\">\n<strong data-start=\"528\" data-end=\"538\">Period:<\/strong> 1982<\/li>\n<li data-section-id=\"jwhp4s\" data-start=\"549\" data-end=\"608\">\n<strong data-start=\"551\" data-end=\"566\">Condition:<\/strong> <span data-start=\"567\" data-end=\"606\">NOS (New Old Stock)<\/span><\/li>\n<li data-section-id=\"1cu6xgw\" data-start=\"609\" data-end=\"634\">\n<strong data-start=\"611\" data-end=\"625\">Movement:<\/strong> Quartz\n<\/li>\n<li data-section-id=\"1m6xwu4\" data-start=\"635\" data-end=\"662\">\n<strong data-start=\"637\" data-end=\"649\">Calibre:<\/strong> Seiko 8621\n<\/li>\n<li data-section-id=\"1s9qw6v\" data-start=\"663\" data-end=\"686\">\n<strong data-start=\"665\" data-end=\"677\">Case serial number:<\/strong> 280183\n<\/li>\n<li data-section-id=\"1jh3ejn\" data-start=\"687\" data-end=\"718\">\n<strong data-start=\"689\" data-end=\"699\">Case:<\/strong> Rolled steel\n<\/li>\n<li data-section-id=\"1cni6a3\" data-start=\"719\" data-end=\"753\">\n<strong data-start=\"721\" data-end=\"740\">Case diameter:<\/strong> 31 \u00d7 31 mm\n<\/li>\n<li data-section-id=\"1xtbgkk\" data-start=\"754\" data-end=\"801\">\n<strong data-start=\"756\" data-end=\"770\">Dial:<\/strong> Silver with applied markers\n<\/li>\n<li data-section-id=\"tsvssb\" data-start=\"802\" data-end=\"845\">\n<strong data-start=\"804\" data-end=\"828\">Strap:<\/strong> Original black leather<\/li>\n<li data-section-id=\"13pjmb9\" data-start=\"846\" data-end=\"861\">\n<strong data-start=\"848\" data-end=\"859\">Buckle: <\/strong><span data-start=\"848\" data-end=\"859\">Original&nbsp;<\/span><\/li>\n<li data-section-id=\"1buh352\" data-start=\"877\" data-end=\"900\">\n<strong data-start=\"879\" data-end=\"890\">Crown:<\/strong>&nbsp;Original<\/li>\n<li data-section-id=\"8oqtn0\" data-start=\"901\" data-end=\"958\">\n<strong data-start=\"903\" data-end=\"916\">Case back:<\/strong> Stainless steel. Also present on the case back is a yellow oval stamped mark reading <span class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif, &quot;Noto Color Emoji&quot;; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\" style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif, &quot;Noto Color Emoji&quot;;margin: 0px\">&#8220;PASSED JWCII&#8221;<!--TgQPHd|||[]--><\/span>, which certifies passing of quality inspections by the <em class=\"zhvwWe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif, &quot;Noto Color Emoji&quot;; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);\" style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif, &quot;Noto Color Emoji&quot;;margin: 0px\">Japan Watch Camera Inspection Institute<!--TgQPHd|||[]--><\/em> of the period.&nbsp;<\/li>\n<li><strong data-start=\"985\" data-end=\"1004\" style=\"font-size: 1rem\">Notes:<\/strong><span style=\"font-size: 1rem\">&nbsp;<\/span>This watch was created just after the famous &#8220;Quartz Revolution&#8221; (begun by Seiko itself in 1969). In the early 1980s, owning a quartz watch did not mean owning an inexpensive object \u2014 quite the opposite: it was the pinnacle of technology, precision, and status. The square &#8220;Tank&#8221; design with exposed screws on the bezel reflects the geometric, industrial style of that decade, made famous by icons of fine Swiss watchmaking.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>An elegant vintage Seiko Quartz, never worn, featuring a refined cushion-shaped case. The clean, essential silver dial is enhanced by slim applied markers and linear hands. A model of sober, distinctive design, expressing the elegance of Seiko of the period. Brand: Seiko Reference: 8621-5100 Period: 1982 Condition: NOS (New Old Stock) Movement: Quartz Calibre: Seiko [&hellip;]<\/p>\n","protected":false},"featured_media":21988,"template":"","meta":[],"product_brand":[368],"product_cat":[1344],"product_tag":[],"class_list":["post-21987","product","type-product","status-publish","has-post-thumbnail","product_brand-seiko","product_cat-watches-en","first","instock","taxable","shipping-taxable","purchasable","product-type-simple","add-to-wishlist-before_image"],"_links":{"self":[{"href":"https:\/\/www.gioielleriasessamario.com\/en\/wp-json\/wp\/v2\/product\/21987","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gioielleriasessamario.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.gioielleriasessamario.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gioielleriasessamario.com\/en\/wp-json\/wp\/v2\/media\/21988"}],"wp:attachment":[{"href":"https:\/\/www.gioielleriasessamario.com\/en\/wp-json\/wp\/v2\/media?parent=21987"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.gioielleriasessamario.com\/en\/wp-json\/wp\/v2\/product_brand?post=21987"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.gioielleriasessamario.com\/en\/wp-json\/wp\/v2\/product_cat?post=21987"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.gioielleriasessamario.com\/en\/wp-json\/wp\/v2\/product_tag?post=21987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}