{"product_id":"vintage-1970-japan-seiko-lord-matic-weekdater-5606-5000-23jewels-automatic-1","title":"Vintage 1970 JAPAN SEIKO LORD MATIC WEEKDATER 5606-5000 23Jewels Automatic.","description":"\u003cdiv style=\"display: none;\"\u003e\n\u003ch1\u003eVintage 1970 JAPAN SEIKO LORD MATIC WEEKDATER 5606-5000 23Jewels Automatic.\u003c\/h1\u003e\nVintage 1970 JAPAN SEIKO LORD MATIC WEEKDATER 5606-5000 23Jewels Automatic.Welcome to my auction!I am Japanese who live in Tokyo. Item description It's a SEIKO Automatic Watch, LORD MATIC WEEKDATER 5606-5000 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 : 020665.Dial number : JAPAN 5606-5080T.Glass : Acrylic.Case size : About 32mm.Lug width : 20mm.Band : Wrist size that can be worn is up to about 183mm.Condition : Used, it runs well.Quick set(Day\/Date) : Okay. Set the day of the week can be in English or Japanese. 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.For practical, everyday use, it would be advisable to have the movement cleaned and oiled.Key Features The Vanguard of 1970 Square-Form Space-Age Luxury (1970): In **1970**—a monumental vintage year highlighted by the historic Osaka EXPO '70 and peak mechanical maturation—the **Seiko Lord Matic (LM)** series introduced a bold new language of wrist prestige. Born from the **Suwa Seikosha** factory under reference **5606-5000**, this highly expressive geometric variant captured the exciting, future-oriented design optimism of the mid-Showa economic miracle. Explicitly drawn for ambitious professionals who demanded a distinctive progressive identity, it successfully departed from plain round aesthetics to deliver an iconic, sculptural masterpiece. The Sovereign 23-Jewel Caliber 5606 Automatic Engine: This historic watch is powered by the magnificent **23-jewel Caliber 5606**, an ultra-slim automatic workhorse movement operating at a stable daily 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 square housings 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 \"\"5000\"\" Geometric Square Case Mastery and Presence: The reference **5606-5000** is globally celebrated among serious collectors for its dramatic, light-catching **TV-screen square geometry**. The solid stainless steel case showcases an extraordinarily sharp profile with muscular, multi-angled integrated facets and a pristine flat bezel that controls light with beautiful vintage warmth. This bold, low center-of-gravity case architecture allows the mechanical structure to sit entirely flush against the skin, sliding completely weightless and effortlessly under a tailored executive shirt cuff. Masterful \"\"Weekdater\"\" Dial Layout with Bilingual Harmony: The dial of the **5606-5000** is a masterclass in clinical mid-century luxury, showcasing a radiant silver sunburst canvas decorated with **hand-applied, multifaceted chunky block indices** specifically arranged to complement the square frame. The dual-calendar window at 3 o'clock houses a **bilingual (English\/Kanji) day disk**, prioritizing instant split-second legibility for the globalizing Japanese workforce. The applied, interlocking **\"\"LM\"\" emblem** and the Suwa lightning bolt insignia at 6 o'clock remain proud hallmarks of pure manufacturing pride. An Investment-Grade Masterpiece of Suwa's Mechanical Legacy: Manufactured in the milestone mechanical year of **1970**, the 5606-5000 variant remains a highly coveted cornerstone reference for serious vintage Seiko enthusiasts worldwide. It represents the perfect historical intersection where rugged daily durability met late-1960s expressive case finishing and high-utility lifestyle micro-engineering right before the full quartz transition. Built to an uncompromising heirloom standard, it stands as a profound testament to an era when Japan perfected the luxury automatic daily instrument. 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;\"\u003eVintage 1970 JAPAN SEIKO LORD MATIC WEEKDATER 5606-5000 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 5606-5000 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 : 020665.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 5606-5080T.\u003c\/li\u003e\n\u003cli\u003eGlass : Acrylic.\u003c\/li\u003e\n\u003cli\u003eCase size : About 32mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 20mm.\u003c\/li\u003e\n\u003cli\u003eBand : Wrist size that can be worn is up to about 183mm.\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 Japanese. \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\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\n\u003cli\u003e\n\u003cb\u003eThe Vanguard of 1970 Square-Form Space-Age Luxury (1970):\u003c\/b\u003e In **1970**—a monumental vintage year highlighted by the historic Osaka EXPO '70 and peak mechanical maturation—the **Seiko Lord Matic (LM)** series introduced a bold new language of wrist prestige. Born from the **Suwa Seikosha** factory under reference **5606-5000**, this highly expressive geometric variant captured the exciting, future-oriented design optimism of the mid-Showa economic miracle. Explicitly drawn for ambitious professionals who demanded a distinctive progressive identity, it successfully departed from plain round aesthetics to deliver an iconic, sculptural masterpiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Sovereign 23-Jewel Caliber 5606 Automatic Engine:\u003c\/b\u003e This historic watch is powered by the magnificent **23-jewel Caliber 5606**, an ultra-slim automatic workhorse movement operating at a stable daily 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 square housings 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 \"\"5000\"\" Geometric Square Case Mastery and Presence:\u003c\/b\u003e The reference **5606-5000** is globally celebrated among serious collectors for its dramatic, light-catching **TV-screen square geometry**. The solid stainless steel case showcases an extraordinarily sharp profile with muscular, multi-angled integrated facets and a pristine flat bezel that controls light with beautiful vintage warmth. This bold, low center-of-gravity case architecture allows the mechanical structure to sit entirely flush against the skin, sliding completely weightless and effortlessly under a tailored executive shirt cuff.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMasterful \"\"Weekdater\"\" Dial Layout with Bilingual Harmony:\u003c\/b\u003e The dial of the **5606-5000** is a masterclass in clinical mid-century luxury, showcasing a radiant silver sunburst canvas decorated with **hand-applied, multifaceted chunky block indices** specifically arranged to complement the square frame. The dual-calendar window at 3 o'clock houses a **bilingual (English\/Kanji) day disk**, prioritizing instant split-second legibility for the globalizing Japanese workforce. The applied, interlocking **\"\"LM\"\" emblem** and the Suwa lightning bolt insignia at 6 o'clock remain proud hallmarks of pure manufacturing pride.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAn Investment-Grade Masterpiece of Suwa's Mechanical Legacy:\u003c\/b\u003e Manufactured in the milestone mechanical year of **1970**, the 5606-5000 variant remains a highly coveted cornerstone reference for serious vintage Seiko enthusiasts worldwide. It represents the perfect historical intersection where rugged daily durability met late-1960s expressive case finishing and high-utility lifestyle micro-engineering right before the full quartz transition. Built to an uncompromising heirloom standard, it stands as a profound testament to an era when Japan perfected the luxury automatic daily instrument.\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\/u1233869360.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\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":52080603038017,"sku":"u1233869360","price":87500.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_08a8b0b9-1f3e-4bd4-9b72-2506706c9ba9.jpg?v=1786597890","url":"https:\/\/nonkun.com\/products\/vintage-1970-japan-seiko-lord-matic-weekdater-5606-5000-23jewels-automatic-1","provider":"NONKUN Japan","version":"1.0","type":"link"}