{"product_id":"montre-seiko-quartz-tank-5p31-5040-acier-dore-1988","title":"Vintage Seiko Quartz Tank 5P31-5040 — Gold-Plated Steel (1988) ","description":"\u003ch2\u003eSeiko Quartz vintage: a two-tone Tank watch with Roman numerals\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003evintage Seiko Quartz watch\u003c\/strong\u003e is an elegant dress piece with a rectangular two-tone case, combining steel and gold-plated finish, and a white dial with Roman numerals. Slim and refined, it takes up the timeless Tank silhouette so prized by lovers of dress watches. With its versatile proportions, it can be worn equally well on a man’s or a woman’s wrist. A discreet and distinguished Japanese watch, ideal for everyday wear as well as evening occasions.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003ewhite dial\u003c\/strong\u003e showcases classic black Roman numerals all around its periphery, along with the Seiko signature at 12 o’clock. A slim gold-tone seconds hand sweeps across the dial, echoing the gold-plated accents of the case, while the dark hands ensure clear, high-contrast legibility. A luminous, dressy dial in the great tradition of elegant Japanese watches.\u003c\/p\u003e\n\u003cp\u003eThis Seiko is powered by the \u003cstrong\u003e5P31 quartz calibre\u003c\/strong\u003e, an analog movement renowned for its reliability, which equipped many dress Seiko watches from the late 1980s onward. Battery-powered, it carries forward Seiko's legacy as a quartz pioneer with the 1969 Astron. A regulated movement, ensuring precise everyday performance.\u003c\/p\u003e\n\u003cp\u003eWith its \u003cstrong\u003e24.3mm case\u003c\/strong\u003e and very slim profile (5.9mm), and its two-tone rectangular shape, this vintage watch offers an elegant and versatile size on the wrist of a man or a woman — a true \u003cstrong\u003eUnisex watch\u003c\/strong\u003e. The original dial and hands are in beautiful condition, as is the mineral Crystal (8\/10). It comes on a \u003cstrong\u003ehandmade\u003c\/strong\u003e leather strap, non-original, with a steel Buckle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThree points to note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVintage Seiko Quartz watch, rectangular case (Tank format), two-tone steel and gold-plated, white dial with Roman numerals (1988).\u003c\/li\u003e\n\u003cli\u003eSeiko 5P31 quartz calibre, a reliable analog movement from dress Seiko watches of the late 1980s.\u003c\/li\u003e\n\u003cli\u003eUnisex watch (men and women), ultra-thin profile; handmade leather strap, non-original.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e→ Discover our \u003ca href=\"\/en\/collections\/montres-vintage-japonaises\"\u003evintage Japanese watches\u003c\/a\u003e\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e→ See our \u003ca href=\"\/en\/collections\/montres-vintage-moins-500\"\u003evintage watches under €500\u003c\/a\u003e\u003c\/em\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 Quartz, Tank format (rectangular)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e 5P31-5040\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEstimated year:\u003c\/strong\u003e 1988\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGender:\u003c\/strong\u003e Men’s and women’s watch (\u003cspan unisex\u003e\n\u003cli\u003e\n\u003cstrong\u003eMovement:\u003c\/strong\u003e Japanese quartz, Seiko caliber 5P31\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e Hours, minutes, seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase:\u003c\/strong\u003e Steel and gold-plated (steel caseback), rectangular shape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 24.3mm (25.3mm with the crown)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLug to lug:\u003c\/strong\u003e 34mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 5.9mm (Crystal included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLug width:\u003c\/strong\u003e 19mm\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 White, black Roman numerals, gold seconds hand, Seiko signature, original\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands:\u003c\/strong\u003e Dark baton hands (hours, minutes) and gold seconds hand, original\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal:\u003c\/strong\u003e Mineral, very good condition (8\/10)\u003c\/li\u003e\n\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \n\u003cli\u003e\n\u003cstrong\u003eBracelet:\u003c\/strong\u003e Handmade crocodile leather, not original\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuckle:\u003c\/strong\u003e Steel pin buckle, not original\u003c\/li\u003e\n\n\u003ch3\u003eCondition and warranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall condition:\u003c\/strong\u003e Very fine state of preservation. Original dial and hands in good condition; mineral Crystal rated 8\/10.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e Not guaranteed (vintage watch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthenticity:\u003c\/strong\u003e Lifetime guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMovement:\u003c\/strong\u003e Checked quartz movement, one-year warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Atelier Victor invoice, protective case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot included:\u003c\/strong\u003e Original box and papers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is a \"Tank\" watch?\u003c\/strong\u003e\u003cbr\u003e\"Tank\" refers to a watch style with a rectangular case, popularized by Cartier in the early 20th century; the term is now commonly used for this shape. This piece is not a Cartier: it is a Seiko, a Japanese manufacture, which takes up the rectangular silhouette.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the caliber of this Seiko Quartz?\u003c\/strong\u003e\u003cbr\u003eIt is fitted with the Seiko 5P31 quartz caliber, an analog movement introduced by Seiko in the late 1980s. Reliable and precise, it equipped many Seiko dress watches in the \"Tank\" format throughout the 1980s and 1990s.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the case solid gold?\u003c\/strong\u003e\u003cbr\u003eNo. It is a two-tone case combining steel and gold plating: the gilt elements are gold-plated, on a steel base. It is a typical dress finish of elegant watches from that era, offering the brilliance of gold with the robustness of steel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this Seiko watch vintage?\u003c\/strong\u003e\u003cbr\u003eYes, absolutely. Dated from the late 1980s, it is approaching forty years old. It is an authentic vintage Seiko watch, a witness to Japanese savoir-faire in quartz dress watches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this watch suitable for a man or a woman?\u003c\/strong\u003e\u003cbr\u003eIt is a Unisex watch. Its slim rectangular case suits both a masculine and feminine wrist. Its white dial with Roman numerals and dress size make it an elegant watch for all occasions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e ","brand":"Seiko","offers":[{"title":"Default Title","offer_id":54132707885393,"sku":"8N0069 5P31-5040","price":310.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/8576\/2597\/files\/VD_03916.jpg?v=1782909439","url":"https:\/\/ateliervictor.co\/en\/products\/vintage-seiko-quartz-tank-5p31-5040-gold-plated-steel-1988","provider":"Atelier Victor","version":"1.0","type":"link"}