{"product_id":"serviced-vintage-1971-japan-seiko-lord-matic-weekdater-5606-7140-25j-automatic","title":"Serviced Vintage 1971 JAPAN SEIKO LORD MATIC WEEKDATER 5606-7140 25J Automatic.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eServiced Vintage 1971 JAPAN SEIKO LORD MATIC WEEKDATER 5606-7140 25Jewels 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 WEEKDATER 5606-7140 25Jewels \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 : 56 LORD MATIC WEEKDATER .\u003c\/li\u003e\n\u003cli\u003eCaliber number : 5606A.\u003c\/li\u003e\n\u003cli\u003eMovement : Automatic.\u003c\/li\u003e\n\u003cli\u003eBeat rate : 21600bph.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1968'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 number : 131452.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 5606-7330S.\u003c\/li\u003e\n\u003cli\u003eGlass : Crystal.\u003c\/li\u003e\n\u003cli\u003eCase size : About 36mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 18mm.\u003c\/li\u003e\n\u003cli\u003eBand : New Leather Strap of SEIKO original.\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 May  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\n\u003cli\u003e\n\u003cb\u003eThe Pinnacle of Executive Precision (1971):\u003c\/b\u003e In **1971**, the **Seiko Lord Matic (LM)** stood as the definitive timepiece for the elite of Japan's rapidly modernizing professional class. The reference **5606-7140** was produced by the **Suwa Seikosha** factory during a landmark year when mechanical watchmaking reached its ergonomic and aesthetic peak. It arrived as a sophisticated instrument that offered a \"\"Grand Seiko-like\"\" presence, defining the optimistic, high-growth energy of the early 1970s through its sharp, clinical elegance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Upgraded 25-Jewel Caliber 5606 Heart:\u003c\/b\u003e This watch is powered by the **25-jewel Caliber 5606**, a premium high-spec version of the movement operating at **21,600 vibrations per hour (vph)**. In **1971**, while standard LM models often utilized 23 jewels, the **25-jewel specification** was a mark of superior mechanical luxury, utilizing extra synthetic rubies to ensure an ultra-low friction environment for the calendar and gear trains. This caliber featured **hacking seconds**, manual winding, and a slim profile that allowed for an exceptionally sleek wrist presence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"7140\"\" Fluid Case Design:\u003c\/b\u003e The reference **5606-7140** is celebrated for its masterful case geometry, which blends the sharp edges of the **\"\"Grammar of Design\"\"** with the flowing, integrated lines favored in the early 70s. The stainless steel case features multifaceted lugs and mirror-polished surfaces that create a brilliant play of light. In **1971**, this architectural approach ensured the watch maintained a \"\"sparkling\"\" and dignified executive silhouette while sitting flush and comfortably on the wrist.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMasterful \"\"Weekdater\"\" Dial Harmony:\u003c\/b\u003e The dial of the **5606-7140** is a study in functional luxury, featuring a radiant sunburst silver finish and **hand-applied, multi-faceted baton indices**. The dual-calendar window at 3 o'clock houses a **bilingual (English\/Kanji) day disk**, prioritizing professional clarity for the internationalizing Japanese workforce. The applied **\"\"LM\"\" logo** and the Suwa lightning bolt symbol at 6 o'clock remain prestigious hallmarks of an era that valued uncompromising industrial pride.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eA Landmark of Suwa's Slim Mechanical Legacy:\u003c\/b\u003e Produced in **1971**, the 5606-7140 remains a highly coveted reference for collectors of the \"\"Mechanical Golden Age.\"\" It represents the perfect intersection of **mechanical complexity and the minimalist modernist movement** of the early 1970s. It stands as a testament to an era when Suwa Seikosha perfected the **\"\"high-utility professional automatic,\"\"** creating a reliable and visually striking masterpiece that remains as accurate and stylish today as it was over half a century ago.\u003c\/li\u003e\n\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\/w1227107262.jpg\"\u003e\u003c\/div\u003e\u003c\/dd\u003e\n\u003cdt style=\"font-size: 24px;font-weight: bolder;\"\u003eNotes\u003c\/dt\u003e\n\u003cdd\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":52078119158081,"sku":"w1227107262","price":64100.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_0f36b4bb-86ce-41f6-bdb0-6cf04bcc3554.jpg?v=1786515546","url":"https:\/\/nonkun.com\/products\/serviced-vintage-1971-japan-seiko-lord-matic-weekdater-5606-7140-25j-automatic","provider":"NONKUN Japan","version":"1.0","type":"link"}