{"product_id":"serviced-vintage-1976-japan-seiko-lord-marvel-36000-5740-8000-23j-hand-winding","title":"Serviced Vintage 1976 JAPAN SEIKO LORD MARVEL 36000 5740-8000 23J Hand-winding.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eServiced Vintage 1976 JAPAN SEIKO LORD MARVEL 36000 5740-8000 23Jewels Hand-winding.\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 Hand-winding Watch, \u003cb\u003eLORD MARVEL 36000 5740-8000 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 : 57 LORD MARVEL 36000bph .\u003c\/li\u003e\n\u003cli\u003eCaliber number : 5740C.\u003c\/li\u003e\n\u003cli\u003eMovement : Hand-winding.\u003c\/li\u003e\n\u003cli\u003eBeat rate : 36000bph.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1967'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 : 610444.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 5740-8020U.\u003c\/li\u003e\n\u003cli\u003eGlass : Acrylic.\u003c\/li\u003e\n\u003cli\u003eCase size : About 34.5mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 19mm.\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\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\u003eJapan's Historic 10-Beat High-Frequency Triumph (1976):\u003c\/b\u003e Manufactured in \u003cb\u003e1976\u003c\/b\u003e—during the final production years of Seiko's iconic high-frequency manual-wind era—the \u003cb\u003eSeiko Lord Marvel 36000\u003c\/b\u003e reference \u003cb\u003e5740-8000\u003c\/b\u003e represents the end of an elite mechanical legacy. Born from the \u003cb\u003eSuwa Seikosha\u003c\/b\u003e factory, this legendary dress watch made horological history as Japan's very first \u003cb\u003e10-beat (36,000 vph)\u003c\/b\u003e wristwatch series, serving as a mechanical proving ground for high-beat Grand Seiko and King Seiko models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Revolutionary High-Beat 23-Jewel Caliber 5740C Engine:\u003c\/b\u003e Powering this historic instrument is the legendary \u003cb\u003e23-jewel Caliber 5740C\u003c\/b\u003e, an in-house manual-wind movement operating at a blistering frequency of \u003cb\u003e36,000 vibrations per hour (10 beats per second)\u003c\/b\u003e. By doubling the standard oscillation rate of traditional mid-century movements, the 5740C achieved incredible rotational inertia and chronometric stability, producing an iconic, ultra-smooth sweep second hand motion that fascinated collectors globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"8000\"\" Grammar of Design Case Geometry:\u003c\/b\u003e The reference \u003cb\u003e5740-8000\u003c\/b\u003e is globally distinguished among vintage purists for its strict adherence to Taro Tanaka's \u003cb\u003e\"\"Grammar of Design\"\"\u003c\/b\u003e philosophy. Executed in solid stainless steel, the case features bold angular lugs, crisp flat planes, and mirror-polished Zaratsu surfaces engineered to reflect light without distortion, ensuring a flat, comfortable, low-profile fit against the wrist.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eImmaculate Non-Date Dial Harmony and Pure Typography:\u003c\/b\u003e The dial of the \u003cb\u003e5740-8000\u003c\/b\u003e is a masterclass in mid-century visual symmetry and functional restraint, featuring a brilliant sunburst canvas free from date window interruptions. It showcases \u003cb\u003ehand-applied, multifaceted hour indices\u003c\/b\u003e and sharp hands, proudly bearing the applied metal \u003cb\u003e\"\"SEIKO\"\"\u003c\/b\u003e logo alongside printed \u003cb\u003e\"\"LORD MARVEL\"\"\u003c\/b\u003e, \u003cb\u003e\"\"36000\"\"\u003c\/b\u003e, and Suwa Seikosha star emblem typography above 6 o'clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAn Investment-Grade Milestone of Global Mechanical Heritage:\u003c\/b\u003e Produced in \u003cb\u003e1976\u003c\/b\u003e as a late-era production model, this 5740-8000 Lord Marvel 36000 remains one of the most historically significant and universally respected mechanical Seiko references ever created. Capturing the final golden years of pure high-frequency manual-wind engineering, it stands as an eternal, heirloom-quality cornerstone for serious 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\/w1242829372.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":67820412371265,"sku":"w1242829372","price":121500.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_ca0791ed-f341-47e1-abfa-6a98ccf76d69.jpg?v=1791191334","url":"https:\/\/nonkun.com\/en\/products\/serviced-vintage-1976-japan-seiko-lord-marvel-36000-5740-8000-23j-hand-winding","provider":"NONKUN Japan","version":"1.0","type":"link"}