{"product_id":"serviced-vintage-1972-japan-seiko-lord-matic-sp-5206-6120-23j-automatic","title":"Serviced  Vintage 1972 JAPAN SEIKO LORD MATIC SP  5206-6120 23J Automatic.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eServiced Vintage 1972 JAPAN SEIKO LORD MATIC SPECIAL WEEKDATER 5206-6120 23Jewels Automatic.\u003c\/h3\u003e\u003cp\u003eWelcome to my auction!\u003cbr\u003eI am Japanese who live in Tokyo.\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\u003eLORD MATIC SPECIAL WEEKDATER 5206-6120 23Jewels \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 : 52 LORD MATIC SPECIAL WEEKDATER.\u003c\/li\u003e\n\u003cli\u003eCaliber number : 5206A.\u003c\/li\u003e\n\u003cli\u003eMovement : Automatic.\u003c\/li\u003e\n\u003cli\u003eBeat rate : 28800bph.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1970's.\u003c\/li\u003e\n\u003cli\u003eFactory : Kameido.\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 number : 2D0972.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 5206-6040R.\u003c\/li\u003e\n\u003cli\u003eGlass : Crystal.\u003c\/li\u003e\n\u003cli\u003eCase size : About 34.93mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 14mm.\u003c\/li\u003e\n\u003cli\u003eBand : Wrist size that can be worn is Up to about 188mm.\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 or Kanji. \u003cbr\u003eSet of the date : The set at one stage pulling the crown.\u003c\/li\u003e\n\u003cli\u003eThe day difference time of an used watch is about +-1 minute \/ day.\u003c\/li\u003e\n\u003cli\u003e\u003cb style=\"color : red\"\u003eOverhaul service in October  2026.\u003cbr\u003eThe movement has been cleaned and oiled, so it works fine.\u003c\/b\u003e\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 Peak of 1972 Daini High-Beat Luxury (1972):\u003c\/b\u003e Manufactured in \u003cb\u003e1972\u003c\/b\u003e—a landmark historical year during Japan's peak post-war industrial supremacy—the \u003cb\u003eSeiko Lord Matic Special Weekdater\u003c\/b\u003e reference \u003cb\u003e5206-6120\u003c\/b\u003e represented Daini Seikosha's flagship tier of the Lord Matic lineup. Engineered in Kameido as a high-spec alternative to Suwa's 56-series, the \"\"Special\"\" designation signifies an elevated grade of high-beat movement finish and exceptional chronometric capability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Over-Engineered High-Beat 23-Jewel Caliber 5206 Automatic Heart:\u003c\/b\u003e Powering this historic instrument is the revered \u003cb\u003e23-jewel Caliber 5206A\u003c\/b\u003e, an in-house automatic engine operating at a swift high-beat frequency of \u003cb\u003e28,800 vibrations per hour (8 beats per second)\u003c\/b\u003e. Highly celebrated by vintage purists, this caliber features \u003cb\u003ehacking seconds\u003c\/b\u003e, hand-winding capability, and a rare \u003cb\u003einstantaneous day\/date change mechanism\u003c\/b\u003e that snaps crisply at midnight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"6120\"\" Grammar of Design Case Geometry:\u003c\/b\u003e The reference \u003cb\u003e5206-6120\u003c\/b\u003e is globally distinguished among collectors for its textbook execution of Taro Tanaka's \u003cb\u003e\"\"Grammar of Design\"\"\u003c\/b\u003e principles. Executed in solid stainless steel, the case features sharp angular facets, bold sweeping lugs, and zero-distortion mirror-polished Zaratsu planes, creating an aggressive yet refined silhouette that sits completely flush against the wrist.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMasterful \"\"Special\"\" Dial Harmony and Bilingual Utility:\u003c\/b\u003e The dial of the \u003cb\u003e5206-6120\u003c\/b\u003e showcases exemplary early-1970s visual balance, featuring a radiant silver sunburst canvas set with \u003cb\u003ehand-applied, multifaceted rectangular block indices\u003c\/b\u003e and razor-sharp hands. Symmetrically framed at 3 o'clock, the dual-calendar window houses a \u003cb\u003ebilingual (English\/Kanji) day disk\u003c\/b\u003e alongside the date wheel, proudly adorned with the applied \u003cb\u003e\"\"LM\"\" emblem\u003c\/b\u003e, script \u003cb\u003e\"\"Special\"\"\u003c\/b\u003e branding, and Daini's lightning bolt symbol above 6 o'clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAn Investment-Grade Masterpiece of Kameido's High-Beat Legacy:\u003c\/b\u003e Manufactured during the milestone year of \u003cb\u003e1972\u003c\/b\u003e, the 5206-6120 23-jewel Lord Matic Special remains one of the most technically advanced and highly coveted Daini references worldwide. Capturing the precise moment where Kameido perfected high-beat daily instruments right before the full expansion of quartz technology, it stands as an eternal heirloom of Japanese horological innovation.\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\/x1242373373.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":67820412305729,"sku":"x1242373373","price":105100.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_06212d54-94a4-4084-bbb2-9a83bdef1f9c.jpg?v=1791191318","url":"https:\/\/nonkun.com\/products\/serviced-vintage-1972-japan-seiko-lord-matic-sp-5206-6120-23j-automatic","provider":"NONKUN Japan","version":"1.0","type":"link"}