{"product_id":"serviced-vintage-1972-japan-seiko-lord-matic-weekdater-5606-7070-23j-automatic-1","title":"Serviced Vintage 1972 JAPAN SEIKO LORD MATIC WEEKDATER 5606-7070 23J Automatic.","description":"\u003cdiv style=\"display: none;\"\u003e\n\u003ch1\u003eServiced Vintage 1972 JAPAN SEIKO LORD MATIC WEEKDATER 5606-7070 23J Automatic.\u003c\/h1\u003e\nServiced Vintage 1972 JAPAN SEIKO LORD MATIC WEEKDATER 5606-7070 23Jewels Automatic.Welcome to my auction!I am Japanese who live in Tokyo. Item description It's a SEIKO Automatic Watch, LORD MATIC WEEKDATER 5606-7070 23Jewels . It's in good used condition. It's difficult to find this valuable watch in such a good condition. Highly recommended for SEIKO collectors! Movement : Pet name : 56 LORD MATIC WEEKDATER .Caliber number : 5606A.Movement : Automatic.Beat rate : 21600bph.Year of manufacture start : 1968's.Factory : Suwa.Externals : Serial number : 242346.Dial number : JAPAN 5606-7071T.Glass : Crystal.Case size : About 37mm.Lug width : 18mm.Band : Wrist size that can be worn is Up to about 203mm.Condition : Used, it runs well.Quick set(Day\/Date) : Okay. Set the day of the week can be in English or Kanji. Set of the date : The set at one stage pulling the crown.The day difference time of an used watch is about +-1 minute \/ day.Overhaul service in July 2026.The movement has been cleaned and oiled, so it works fine.Key Features The Benchmark of Early-70s Executive Minimalism (1972): In **1972**, during a milestone historic period when Japan's mechanical watchmaking achieved peak industrial maturity, the **Seiko Lord Matic (LM)** stood as the definitive timekeeping standard. Sourced from the **Suwa Seikosha** factory under reference **5606-7070**, this legendary model was engineered explicitly for the rapidly growing professional workforce. Serving as a sleek, highly reliable, and thin luxury automatic instrument, it beautifully captured the disciplined elegance and corporate confidence of the mid-Showa era. The Sophisticated 23-Jewel Caliber 5606 Automatic Engine: This iconic watch is powered by the magnificent **23-jewel Caliber 5606**, an ultra-slim automatic workhorse movement operating at a stable frequency of **21,600 vibrations per hour (vph)**. Highly regarded by vintage purists for its innovative, low-profile mainplate architecture, this movement allowed Seiko to construct exceptionally sleek cases without sacrificing structural stability. The classic **23-jewel specification** deploys premium synthetic rubies across vital gear-train pivots, integrating a **seconds-hacking mechanism** and manual-winding capability. Architectural \"\"7070\"\" Sharp Grammar of Design Case Mastery: The reference **5606-7070** is globally celebrated among collectors for its textbook execution of Taro Tanaka's revolutionary **\"\"Grammar of Design\"\"** philosophy. The solid stainless steel case departs from soft, rounded lines to showcase **incredibly sharp, angular facets and long, muscular straight lugs** finished with zero-distortion mirror polishing and contrasting brushed textures. This low center-of-gravity geometric structure allowed the watch to sit perfectly flush against the skin, sliding completely weightless under a tailored suit cuff. Masterful \"\"Weekdater\"\" Dial Layout with Bilingual Harmony: The dial of the **5606-7070** is a masterclass in mid-century industrial design, showcasing a radiant silver sunburst canvas that controls glare with beautiful warmth. It features a beautifully framed dual-calendar aperture at 3 o'clock housing a **bilingual (English\/Kanji) day disk**, prioritizing instant split-second legibility. Decorated with hand-applied, multifaceted chunky block indices and sharp hands, the face is proudly completed by the applied, interlocking **\"\"LM\"\" emblem** and the Suwa lightning bolt insignia at 6 o'clock. An Immortal Cornerstone of Suwa's Mechanical Legacy: Manufactured in the milestone mechanical year of **1972**, the 5606-7070 remains one of the most highly coveted, universally respected cornerstone references for serious vintage Seiko enthusiasts worldwide. It represents the perfect historical intersection where rugged daily durability met timeless, sharp Japanese case finishing and high-utility lifestyle micro-engineering right before the industry shifted fully toward the quartz revolution. Built to an uncompromising heirloom standard, it stands as a profound testament to an elite industrial benchmark. For more information, please look at the pictures. Notes Before buying.The 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. To prevent shipping accidents.Please 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. About import taxes.Taxes 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. About Payment, Shipping, Return.Payment, Shipping, Return are in accordance with eBay's business policies. \"\u003c\/div\u003e\n\n\n\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eServiced Vintage 1972 JAPAN SEIKO LORD MATIC WEEKDATER 5606-7070 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 WEEKDATER 5606-7070 23Jewels \u003c\/b\u003e.\u003cbr\u003e\n\u003cb\u003eIt's in good uséd 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 : 242346.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 5606-7071T.\u003c\/li\u003e\n\u003cli\u003eGlass : Crystal.\u003c\/li\u003e\n\u003cli\u003eCase size : About 37mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 18mm.\u003c\/li\u003e\n\u003cli\u003eBand : Wrist size that can be worn is Up to about 203mm.\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\u003eUséd, 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 uséd watch is about +-1 minute \/ day.\u003c\/li\u003e\n\u003cli\u003e\u003cb style=\"color : red\"\u003eOverhaul service in July  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 Benchmark of Early-70s Executive Minimalism (1972):\u003c\/b\u003e In **1972**, during a milestone historic period when Japan's mechanical watchmaking achieved peak industrial maturity, the **Seiko Lord Matic (LM)** stood as the definitive timekeeping standard. Sourced from the **Suwa Seikosha** factory under reference **5606-7070**, this legendary model was engineered explicitly for the rapidly growing professional workforce. Serving as a sleek, highly reliable, and thin luxury automatic instrument, it beautifully captured the disciplined elegance and corporate confidence of the mid-Showa era.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Sophisticated 23-Jewel Caliber 5606 Automatic Engine:\u003c\/b\u003e This iconic watch is powered by the magnificent **23-jewel Caliber 5606**, an ultra-slim automatic workhorse movement operating at a stable frequency of **21,600 vibrations per hour (vph)**. Highly regarded by vintage purists for its innovative, low-profile mainplate architecture, this movement allowed Seiko to construct exceptionally sleek cases without sacrificing structural stability. The classic **23-jewel specification** deploys premium synthetic rubies across vital gear-train pivots, integrating a **seconds-hacking mechanism** and manual-winding capability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"7070\"\" Sharp Grammar of Design Case Mastery:\u003c\/b\u003e The reference **5606-7070** is globally celebrated among collectors for its textbook execution of Taro Tanaka's revolutionary **\"\"Grammar of Design\"\"** philosophy. The solid stainless steel case departs from soft, rounded lines to showcase **incredibly sharp, angular facets and long, muscular straight lugs** finished with zero-distortion mirror polishing and contrasting brushed textures. This low center-of-gravity geometric structure allowed the watch to sit perfectly flush against the skin, sliding completely weightless under a tailored suit cuff.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMasterful \"\"Weekdater\"\" Dial Layout with Bilingual Harmony:\u003c\/b\u003e The dial of the **5606-7070** is a masterclass in mid-century industrial design, showcasing a radiant silver sunburst canvas that controls glare with beautiful warmth. It features a beautifully framed dual-calendar aperture at 3 o'clock housing a **bilingual (English\/Kanji) day disk**, prioritizing instant split-second legibility. Decorated with hand-applied, multifaceted chunky block indices and sharp hands, the face is proudly completed by the applied, interlocking **\"\"LM\"\" emblem** and the Suwa lightning bolt insignia at 6 o'clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAn Immortal Cornerstone of Suwa's Mechanical Legacy:\u003c\/b\u003e Manufactured in the milestone mechanical year of **1972**, the 5606-7070 remains one of the most highly coveted, universally respected cornerstone references for serious vintage Seiko enthusiasts worldwide. It represents the perfect historical intersection where rugged daily durability met timeless, sharp Japanese case finishing and high-utility lifestyle micro-engineering right before the industry shifted fully toward the quartz revolution. Built to an uncompromising heirloom standard, it stands as a profound testament to an elite industrial benchmark.\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\/h1232290013.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\"\u003cdiv style=\"text-align:center; background:#fff; padding:5px 0px 5px 0px; clear:both; width:100%;\"\u003e\n\u003cdiv style=\"padding-bottom:5px;\"\u003e\n\u003cspan\u003eeBay integration\u003c\/span\u003e by \u003c\/div\u003e\n\u003cimg width=\"120\" src=\"https:\/\/d31wxntiwn0x96.cloudfront.net\/ayjjhk\/\/images\/codisto-connect.png?width=200\u0026amp;nostretch\u0026amp;v=1\"\u003e\n\u003c\/div\u003e","brand":"NONKUN Japan","offers":[{"title":"Default Title","offer_id":52080603234625,"sku":"h1232290013","price":78700.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_e26e607d-8982-44f1-9998-8fd8325ccdd9.jpg?v=1786597900","url":"https:\/\/nonkun.com\/products\/serviced-vintage-1972-japan-seiko-lord-matic-weekdater-5606-7070-23j-automatic-1","provider":"NONKUN Japan","version":"1.0","type":"link"}