{"product_id":"montre-seiko-tank-vintage-chronos-9531-5010-bicolore-1985","title":"Vintage Seiko Tank Chronos 9531-5010 Watch — Two-Tone (1985) ","description":"\u003cdiv style=\"margin: 28px 0; padding: 22px 12px; border-bottom: 1px solid #e2ddd5; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 10px; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; opacity: 0.5;\"\u003eAtelier Note\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-style: italic; font-size: 16px; line-height: 1.7;\"\u003eA gold-plated bezel with a fine texture, marked by steel bars, around a satin-finished silvered dial. A 1985 Seiko Chronos, on its original two-tone bracelet. Checked, delivered with its Atelier Victor invoice serving as a certificate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eA 1985 Seiko Tank Chronos, gold-plated bezel and integrated bracelet\u003c\/h2\u003e\n\u003cp\u003eThe steel Tank case, rectangular with cut corners, measures 27mm wide, 6.6mm thick and 33mm lug-to-lug. Its gold-plated bezel, worked with a fine texture, bears fine engravings and four steel bars at 12, 3, 6 and 9 o'clock. The gold-plated fluted crown echoes this bezel. The caseback is steel.\u003c\/p\u003e\n\u003cp\u003eThe silvered dial has a vertical satin finish and bears only a few gold-tone dots as markers. The Seiko Quartz signature occupies the top of the dial, the Chronos signature in cursive letters the bottom. The gold-tone lance hands and fine seconds hand stand out against this light background. Dial and hands are original.\u003c\/p\u003e\n\u003cp\u003eThe watch is powered by the Seiko 9531 calibre, a slim quartz movement developed in Suwa, with a stated accuracy of ±20 seconds per year. The serial number engraved on the caseback dates production to March 1985.\u003c\/p\u003e\n\u003cp\u003eThe watch has retained its original bracelet, integrated into the case, in steel punctuated by gold-plated links; it adjusts to a wrist of around 20cm. At 27mm wide and 6.6mm thick, it can be worn on a woman's wrist as well as a man's wrist, and slips under a cuff.\u003c\/p\u003e\n\u003ch3 style=\"margin: 40px 0 16px;\"\u003eThree points to note\u003c\/h3\u003e\n\u003cdiv style=\"margin: 20px 0; padding-left: 16px; border-left: 1px solid #e2ddd5;\"\u003e\n\u003cp style=\"margin: 0 0 4px; font-size: 12px; letter-spacing: 0.1em; opacity: 0.45;\"\u003e01\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 18px;\"\u003e\u003cstrong\u003eGold-plated bezel\u003c\/strong\u003e — A fine texture, engravings and four steel bars.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 4px; font-size: 12px; letter-spacing: 0.1em; opacity: 0.45;\"\u003e02\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 18px;\"\u003e\u003cstrong\u003eSatin-finished silvered dial\u003c\/strong\u003e — Gold-tone dots, lance hands and the Chronos signature.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 4px; font-size: 12px; letter-spacing: 0.1em; opacity: 0.45;\"\u003e03\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eOriginal integrated bracelet\u003c\/strong\u003e — The steel and gold-plated links extend the case.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin: 40px 0 16px;\"\u003eWhy choose a vintage Seiko watch?\u003c\/h3\u003e\n\u003cp\u003eThis Seiko Tank Chronos 9531-5010 brings together a rectangular case with cut corners, a gold-plated bezel with a fine texture, a satin-finished silvered dial and its original two-tone bracelet. A 1985 dress watch, to wear daily as well as in the evening.\u003c\/p\u003e\n\u003cp\u003eEach piece offered by Atelier Victor is checked by our watchmakers before being put online: movement tested, case and dial examined. It is delivered with the Atelier Victor invoice serving as a certificate, a 1-year mechanical guarantee on the movement and a lifetime guarantee of authenticity.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e→ \u003ca href=\"\/en\/collections\/montres-seiko-vintage\" title=\"See all our vintage Seiko watches\"\u003eDiscover our vintage Seiko watches\u003c\/a\u003e\u003cbr\u003e→ \u003ca href=\"\/en\/collections\/montres-vintage-moins-500\" title=\"Vintage watches under 500 euros\"\u003eSee our vintage watches under €500\u003c\/a\u003e \u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 style=\"margin: 40px 0 16px;\"\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 Chronos, integrated bracelet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e 9531-5010\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEstimated year:\u003c\/strong\u003e March 1985\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial number:\u003c\/strong\u003e 5314••\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 watch, women's watch (Unisex)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMovement:\u003c\/strong\u003e Japanese quartz, caliber Seiko 9531\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e Hours, minutes, centre seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase:\u003c\/strong\u003e Steel, gold-plated bezel (steel back), rectangular shape with cut corners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 27mm (28mm with the crown)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLug-to-lug:\u003c\/strong\u003e 33mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 6.6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown:\u003c\/strong\u003e Gold-plated, fluted, original\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial:\u003c\/strong\u003e Vertically satin-brushed silver-tone, gold-tone dot markers, Seiko Quartz and Chronos signatures, original\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands:\u003c\/strong\u003e Gold-tone lance hands, centre seconds, original\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal:\u003c\/strong\u003e Mineral (condition 7\/10)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBracelet:\u003c\/strong\u003e Steel bracelet with gold-plated links, integrated, original, adjustable up to 20cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuckle:\u003c\/strong\u003e Steel, original\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin: 40px 0 16px;\"\u003eCondition and guarantee\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall condition:\u003c\/strong\u003e Good overall condition with surface scratches from wear, light traces on the gold-plated bezel, original dial, hands and bracelet, Crystal 7\/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\u003eMechanics:\u003c\/strong\u003e Quartz movement checked and functional, new battery, 1-year guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Atelier Victor invoice serving as a certificate of authenticity, 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\u003ch3 style=\"margin: 40px 0 16px;\"\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is it described as a Tank watch?\u003c\/strong\u003e\u003cbr\u003eThe term here refers to the silhouette of the piece: a rectangular case commonly referred to in this way. It is a Seiko watch, Chronos line, reference 9531-5010, with no connection to another house.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the Chronos signature refer to?\u003c\/strong\u003e\u003cbr\u003eChronos is a name that Seiko places on some of its dress watches. It appears here in cursive letters at the bottom of the dial, below the Seiko Quartz signature.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the Seiko 9531 caliber?\u003c\/strong\u003e\u003cbr\u003eA slim analogue quartz developed by Seiko in Suwa, with a stated accuracy of ±20 seconds per year, fitted to the brand's dress watches. Its battery can be replaced by any watchmaker.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is this watch dated?\u003c\/strong\u003e\u003cbr\u003eBy its serial number, engraved on the caseback. At Seiko, the first digit gives the year within the decade and the second the month: 53•••• here corresponds to March 1985.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do delivery and payment work?\u003c\/strong\u003e\u003cbr\u003eThe piece is shipped with tracking and insurance by a trusted carrier, to a collection point or to your home depending on the destination. Delivery is free.\u003c\/p\u003e\n ","brand":"Seiko","offers":[{"title":"Default Title","offer_id":54575134736721,"sku":"531451 9531-5010","price":409.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/8576\/2597\/files\/montre-seiko-tank-vintage-chronos-9531-5010-atelier-victor-1.jpg?v=1791898342","url":"https:\/\/ateliervictor.co\/en\/products\/vintage-seiko-tank-chronos-watch-9531-5010-two-tone-1985","provider":"Atelier Victor","version":"1.0","type":"link"}