{"product_id":"vintage-1977-japan-seiko-king-quartz-5856-8000-8jewels-quartz","title":"Vintage 1977 JAPAN SEIKO KING QUARTZ 5856-8000 8Jewels Quartz.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eVintage 1977 JAPAN SEIKO KING QUARTZ 5856-8000 8Jewels Quartz.\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 Quartz Watch, \u003cb\u003eKING QUARTZ 5856-8000 8Jewels \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 : 58　KING QUARTZ.\u003c\/li\u003e\n\u003cli\u003eCaliber number : 5856.\u003c\/li\u003e\n\u003cli\u003eMovement : Quartz.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1977'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 : 751113.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 5856-8000S.\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 : Can be adjust the length.\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.\u003cb\u003e Battery replaced\u003c\/b\u003e\n\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\u003eApproximate watch rate at Japan : Quartz.\u003c\/li\u003e\n\u003cli\u003eFor practical, everyday use, it would be advisable to have the movement cleaned and oiled.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cfont color=\"#9b2166\" size=\"5\"\u003eA slight indentation can be seen from the center of the dial towards the 8 o'clock position.\u003c\/font\u003e\u003c\/strong\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 Zenith of High-End Electronic Luxury (1977):\u003c\/b\u003e In **1977**, the **Seiko King Quartz** stood as a premier symbol of the \"\"Quartz Revolution.\"\" The reference **5856-8000** was produced by the **Suwa Seikosha** factory during an era when electronic movements were still considered high-status luxury items. Positioned to exceed the performance of traditional mechanical watches, it offered the Japanese executive a level of \"\"Grand Seiko\"\" level finishing combined with the unrivaled accuracy of a precision crystal oscillator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe High-Grade 8-Jewel Caliber 5856 Heart:\u003c\/b\u003e This watch is powered by the **8-jewel Caliber 5856**, a sophisticated and robust early quartz movement. Unlike modern, mass-produced quartz engines, the 58-series was engineered for longevity, utilizing **8 functional jewels** to reduce friction in the gear train and facilitate smooth mechanical interaction. It features an **instantaneous day-date change** and high-torque performance, ensuring that the heavy, multifaceted hands moved with clinical precision—a hallmark of Seiko's premium 1970s calibers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"8000\"\" Grammar of Design Case:\u003c\/b\u003e The reference **5856-8000** features a stainless steel case that perfectly embodies the **\"\"Seiko Style\"\"** of the late 70s. It is characterized by sharp, integrated lines and mirror-polished flat surfaces achieved through specialized finishing techniques. In **1977**, this sleek, low-profile architecture was designed to feel futuristic yet dignified, ensuring the watch maintained a substantial executive presence while sliding effortlessly under a dress shirt cuff.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMasterful \"\"King Quartz\"\" Dial Artistry:\u003c\/b\u003e The dial of the **5856-8000** is a study in clinical luxury, often featuring a radiant sunburst finish or a delicate, paper-like texture with **hand-applied, multifaceted baton indices**. The dual-calendar window at 3 o'clock houses a bilingual (English\/Kanji) day disk, prioritizing professional utility. The applied **\"\"King Quartz\"\" logo** and the distinctive quartz crystal symbol at 6 o'clock remain iconic hallmarks of an era when Seiko was the undisputed world leader in high-precision technology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eA Landmark of Suwa's Electronic Heritage:\u003c\/b\u003e Produced in **1977**, the 5856-8000 remains a highly respected reference for collectors of the \"\"High-Accuracy\"\" era. It represents the successful transition from mechanical mastery to electronic dominance, combining **traditional Japanese case craftsmanship with pioneering semiconductor technology**. It stands as a testament to an era when Suwa Seikosha perfected the **\"\"High-Status Quartz,\"\"** creating a reliable and historically significant masterpiece that remains a definitive icon of 1970s style.\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\/k1226346610.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":52078117486913,"sku":"k1226346610","price":93000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_0476e45f-ed93-4244-9580-ae3e709adfc1.jpg?v=1786515489","url":"https:\/\/nonkun.com\/products\/vintage-1977-japan-seiko-king-quartz-5856-8000-8jewels-quartz","provider":"NONKUN Japan","version":"1.0","type":"link"}