{"product_id":"montre-seiko-sq-vintage-acier-date-jour-noir-8c23-509a-1985","title":"Vintage Seiko SQ Watch - Stainless Steel Day-Date Black 8C23-509A (1985) ","description":"\u003ch2\u003eSeiko SQ 8C23-509A Daydate Black (1985)\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003epre-owned Seiko watch\u003c\/strong\u003e, bearing reference 8C23-509A, is a \u003cstrong\u003evintage watch\u003c\/strong\u003e assembled in 1985. Considered as a \u003cstrong\u003evintage watch purchase\u003c\/strong\u003e, it features a 31mm geometric stainless steel case. Its original black dial is organized by applied hour markers and fitted with steel hands, offering a clear reading of the time. Powered by a quartz movement (contrary to what was stated, the dial and the 8C23 caliber confirm that this is a quartz model), this \u003cstrong\u003epre-owned Japanese watch\u003c\/strong\u003e displays the hours, minutes, seconds, as well as the date and day (available in English and Spanish). With a 7.9mm profile, this model is a \u003cstrong\u003emen's watch\u003c\/strong\u003e or a \u003cstrong\u003ewomen's watch\u003c\/strong\u003e in an urban format, fitted on its original stainless steel bracelet. Adding this piece will enrich your selection with a distinctive timepiece from the 1980s.\u003c\/p\u003e\n\u003ch3\u003eWhy buy this piece now?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCase in steel measuring 31mm, offering an emblematic geometric and octagonal design from the 1980s.\u003c\/li\u003e\n\u003cli\u003eOriginal black dial equipped with a day\/date double aperture for practical everyday use.\u003c\/li\u003e\n\u003cli\u003eQuartz movement ensuring regular display, paired with a perfectly integrated stainless steel bracelet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlso discover our collection of \u003ca title=\"Vintage Seiko Watches\" href=\"https:\/\/ateliervictor.co\/collections\/montres-seiko-vintage\"\u003evintage Seiko watches\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Seiko\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e SQ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e 8C23-509A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEstimated Year:\u003c\/strong\u003e 1985\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGender:\u003c\/strong\u003e Men, Women\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMovement:\u003c\/strong\u003e Quartz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e Hours, minutes, seconds, date, day (English, Spanish)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase:\u003c\/strong\u003e Steel (steel caseback)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 31mm (32mm with crown)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLug to lug:\u003c\/strong\u003e 37.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 7.9mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLug width:\u003c\/strong\u003e 18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown:\u003c\/strong\u003e Steel, original\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial:\u003c\/strong\u003e Black, original\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands:\u003c\/strong\u003e Steel, original\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal:\u003c\/strong\u003e Mineral (Condition 6\/10)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBracelet:\u003c\/strong\u003e Steel, original (adjustable size 21cm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuckle:\u003c\/strong\u003e Steel clasp, original\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCondition and Warranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall condition:\u003c\/strong\u003e Beautiful condition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e Not water-resistant (vintage watch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthenticity:\u003c\/strong\u003e Lifetime guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical:\u003c\/strong\u003e Serviced movement and 1-year warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Atelier Victor invoice, protective case (sold without original box and papers)\u003c\/li\u003e\n\u003c\/ul\u003e ","brand":"Seiko","offers":[{"title":"Default Title","offer_id":53736137490769,"sku":"540734 8C23-509A","price":250.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/8576\/2597\/files\/2VD02797-2.jpg?v=1778944126","url":"https:\/\/ateliervictor.co\/en\/products\/vintage-seiko-sq-watch-steel-date-day-black-8c23-509a-1985","provider":"Atelier Victor","version":"1.0","type":"link"}