{"product_id":"vintage-1965-japan-seiko-seikomatic-weekdater-6218-8971-35jewels-automatic","title":"Vintage 1965 JAPAN SEIKO SEIKOMATIC WEEKDATER 6218-8971 35Jewels Automatic.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eVintage 1965 JAPAN SEIKO SEIKOMATIC WEEKDATER 6218-8971 35Jewels Automatic.\u003c\/h3\u003e\u003cp\u003eWelcome to my auction!\u003c\/p\u003e\n\u003ch4 style=\"font-size: 24px; color : #2B0000; margin-bottom: 18px;\"\u003eItem description\u003c\/h4\u003e\u003cdiv style=\"font-size: 24px; color:red; margin: 0 50px 18px 35px;\"\u003e\nIt's a SEIKO Automatic Watch, \u003cb\u003eSEIKOMATIC WEEKDATER 6218-8971 35Jewels \u003c\/b\u003e.\u003cbr\u003e\n\u003cb\u003eIt's in good used condition.\u003c\/b\u003e\u003cbr\u003e\nIt's difficult to find this valuable watch in such a good condition.\nHighly recommended for SEIKO collectors!\n\u003c\/div\u003e\n\u003cdl style=\"margin:0 0 34px 90px\"\u003e\n\u003cdt\u003e\u003cfont color=\"#970000\"\u003e\u003cb\u003eMovement : \u003c\/b\u003e\u003c\/font\u003e\u003c\/dt\u003e\n\u003cdd\u003e\u003cul\u003e\n\u003cli\u003ePet name : SEIKOMATIC WEEKDATER .\u003c\/li\u003e\n\u003cli\u003eCaliber number : 6218A,B,C.\u003c\/li\u003e\n\u003cli\u003eMovement : Automatic.\u003c\/li\u003e\n\u003cli\u003eBeat rate : 18000.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1964's.\u003c\/li\u003e\n\u003cli\u003eFactory : Suwa.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/dd\u003e\n\u003cdt\u003e\u003cfont color=\"#970000\"\u003e\u003cb\u003eExternals : \u003c\/b\u003e\u003c\/font\u003e\u003c\/dt\u003e\n\u003cdd\u003e\u003cul\u003e\n\u003cli\u003eSerial No. : 5002037.\u003c\/li\u003e\n\u003cli\u003eDial No. : JAPAN 6218-8971T AD.\u003c\/li\u003e\n\u003cli\u003eGlass : Acrylic.\u003c\/li\u003e\n\u003cli\u003eCase size : About 37mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 19mm.\u003c\/li\u003e\n\u003cli\u003eBand : Wrist size that can be worn is Up to about 190mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/dd\u003e\n\u003cdt\u003e\u003cfont color=\"#970000\"\u003e\u003cb\u003eCondition : \u003c\/b\u003e\u003c\/font\u003e\u003c\/dt\u003e\n\u003cdd\u003e\u003cul\u003e\n\u003cli\u003eUsed, it runs well.\u003c\/li\u003e\n\u003cli\u003eQuick set(Day\/Date) : Okay.  \u003cbr\u003eSet the day of the week can be in English only.\u003cbr\u003eSet of the date : The set at one stage pulling the crown. \u003cbr\u003eSet of the week : Iteration the hour hand at 9:00 to 1:00.\u003c\/li\u003e\n\u003cli\u003eThe day difference time of an used watch is about +-1 minute \/ day.\u003c\/li\u003e\n\u003cli\u003eFor practical, everyday use, it would be advisable to have the movement cleaned and oiled.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/dd\u003e\n\u003cdt\u003e\u003cfont color=\"#970000\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/font\u003e\u003c\/dt\u003e\n\u003cdd\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eThe Sovereign Apex of Mid-60s Business Executive Luxury (1965):\u003c\/b\u003e Manufactured in \u003cb\u003e1965\u003c\/b\u003e—a momentous historical year following the Tokyo Olympics and marking the height of Japan's mid-Showa economic ascent—the \u003cb\u003eSeiko Seikomatic Weekdater\u003c\/b\u003e reference \u003cb\u003e6218-8971\u003c\/b\u003e stood as Suwa Seikosha's absolute top-of-the-line executive flagship. Positioned directly alongside early Grand Seiko standards and sharing its architectural foundation with the legendary 62GS, this reference embodied the pinnacle of self-winding luxury.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Over-Engineered 35-Jewel Caliber 6218 Automatic Heart:\u003c\/b\u003e Powering this historic watch is the celebrated \u003cb\u003e35-jewel Caliber 6218\u003c\/b\u003e (6218B\/C), an in-house automatic engine operating at a frequency of \u003cb\u003e18,000 vibrations per hour (vph)\u003c\/b\u003e. Fitting an extravagant \u003cb\u003e35-jewel specification\u003c\/b\u003e into an automatic movement drastically reduced friction across the gear train, featuring a fine micro-regulator screw, Seiko's \u003cb\u003eDiashock\u003c\/b\u003e anti-shock protection, an efficient \u003cb\u003eMagic Lever\u003c\/b\u003e bi-directional winding system, quick-set date calendar control, and \u003cb\u003ehacking seconds\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"8971\"\" Grammar of Design Case and Recessed Crown:\u003c\/b\u003e Executed in a solid stainless steel case, the reference \u003cb\u003e6218-8971\u003c\/b\u003e features bold, sweeping faceted lugs with razor-sharp polished chamfers inspired by Taro Tanaka's early \u003cb\u003e\"\"Grammar of Design\"\"\u003c\/b\u003e principles. Incorporating Suwa's signature \u003cb\u003eflush-recessed crown at 4 o'clock\u003c\/b\u003e, the case maintains a completely seamless, symmetrical circular silhouette that sits flat against the wrist and slides effortlessly under a formal shirt cuff.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMasterful Dual-Calendar Dial Harmony and Arched Day Window:\u003c\/b\u003e The dial of the \u003cb\u003e6218-8971\u003c\/b\u003e is universally acclaimed for its flawless mid-century layout balance, featuring a radiant silver sunburst canvas framed by a finely grooved chapter ring. It is adorned with \u003cb\u003ehand-applied, multifaceted rectangular block indices\u003c\/b\u003e, crisp dauphine hands, a framed quick-set date aperture at 3 o'clock, and the iconic full \u003cb\u003eday-of-the-week window positioned at 6 o'clock\u003c\/b\u003e, proudly signed with cursive \u003cb\u003e\"\"Seikomatic\"\"\u003c\/b\u003e script and the \u003cb\u003e\"\"DIASHOCK 35 JEWELS\"\"\u003c\/b\u003e designation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Sovereign Gold Lion or Dolphin Case Back Medallion Heritage:\u003c\/b\u003e Embellishing the backplate of this 1965 treasure is the iconic \u003cb\u003eembossed case back medallion\u003c\/b\u003e (often featuring the prestigious Seiko Lion or Dolphin crest). Certifying its factory-tested water resistance and high-grade executive pedigree, the 6218-8971 35-jewel Seikomatic Weekdater remains an indispensable, investment-grade cornerstone reference for serious vintage Seiko collectors worldwide.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cdl style=\"margin:0 0 34px 40px\"\u003e\n\u003cdt style=\"font-size: 24px;font-weight: bolder;\"\u003eFor more information, please look at the pictures.\u003c\/dt\u003e\n\u003cdd\u003e\u003cdiv style=\"margin: 14px 0 40px 0;\"\u003e\u003cimg src=\"https:\/\/nonkun.boy.jp\/img_ebay\/g1244924820.jpg\"\u003e\u003c\/div\u003e\u003c\/dd\u003e\n\u003cdt style=\"font-size: 24px;font-weight: bolder;\"\u003eNotes\u003c\/dt\u003e\n\u003cdd style=\"margin-left: 16px;\"\u003e\n\u003cul style=\"margin-bottom: 18px;\"\u003e\n\u003cli\u003e\n\u003cb\u003eBefore buying.\u003c\/b\u003e\u003cdiv style=\"padding-left : 30px;\"\u003eThe vintage watches we sell are inspected and adjusted so they work fine. However, since it is an vintage watch, Please purchase on the assumption that it will be repaired.\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTo prevent shipping accidents.\u003c\/b\u003e\u003cdiv style=\"padding-left : 30px;\"\u003ePlease monitor the tracking number until the item arrives and if it stagnates, please investigate at your country post office. Also, please confirm the item when you receive the item.\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAbout import taxes.\u003c\/b\u003e\u003cdiv style=\"padding-left : 30px;\"\u003eTaxes such as import duties and VAT are not included in the item price or shipping charges, except for items shipped to the US. When you purchase, you will likely be required to pay these fees in your country.\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAbout Payment, Shipping, Return.\u003c\/b\u003e\u003cdiv style=\"padding-left : 30px;\"\u003ePayment, Shipping, Return are in accordance with eBay's business policies.\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cbr\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":68194584396097,"sku":"g1244924820","price":89800.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_92b1ce7e-12b2-45e3-a60e-c912bf11455e.jpg?v=1794018437","url":"https:\/\/nonkun.com\/en\/products\/vintage-1965-japan-seiko-seikomatic-weekdater-6218-8971-35jewels-automatic","provider":"NONKUN Japan","version":"1.0","type":"link"}