{"product_id":"vintage-1999-japan-grand-seiko-8j56-8020-7jewels-quartz","title":"Vintage 1999 JAPAN GRAND SEIKO 8J56-8020 7Jewels Quartz.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eVintage 1999 JAPAN GRAND SEIKO 8J56-8020 7Jewels 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 Quartz Watch, \u003cb\u003eGRAND SEIKO 8J56-8020 7Jewels \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 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 : GRAND SEIKO.\u003c\/li\u003e\n\u003cli\u003eCaliber number : 8J56A\u003c\/li\u003e\n\u003cli\u003eMovement : Quartz.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1997's.\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 : 9N0193.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 8J56-8030 R 4.\u003c\/li\u003e\n\u003cli\u003eGlass : Crystal.\u003c\/li\u003e\n\u003cli\u003eCase size : About 38.9mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 19mm.\u003c\/li\u003e\n\u003cli\u003eBand : Wrist size that can be worn is up to about 190mm.\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 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\"\u003eThe anti-reflective coating on the inside (a process to improve visibility) has peeled off in some areas, causing it to appear uneven and slightly cloudy.\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 High-End Caliber 8J56:\u003c\/b\u003e This watch is powered by the **Caliber 8J56**, a 7-jewel thermo-compensated quartz movement. While the 9F series is more famous today, the 8J series was a flagship GS movement known for its incredible accuracy of **$\\pm10$ seconds per year**. It was designed to withstand extreme temperatures and magnetic interference, maintaining peak performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIndependent Hour Hand Adjustment:\u003c\/b\u003e A standout feature of the 8J56 is the **independently adjustable hour hand**. This allows the wearer to change the time zone or adjust for Daylight Savings without stopping the movement or disturbing the precise minute and second hands—a feature highly prized by international travelers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSuperior Battery Life:\u003c\/b\u003e The 8J56 movement is celebrated for its efficiency, offering a robust **5-year battery life**. This was significantly longer than many other high-end quartz movements of the era, emphasizing Grand Seiko's commitment to practical, long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eClassic \"\"Grand Seiko\"\" Aesthetics:\u003c\/b\u003e The reference **8J56-8020** embodies the \"\"Grammar of Design\"\" with its flawlessly polished **Zaratsu surfaces** and sharp, multi-faceted hands and indices. The screw-down crown and 10-bar water resistance make it a versatile \"\"all-rounder\"\" that transitions perfectly from dress to sport.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHistorical Context (1999):\u003c\/b\u003e Produced in **1999**, this model represents the era of the \"\"Grand Rebirth\"\" (which began in 1998). During this time, the 8J caliber was often chosen for models requiring higher water resistance and travel functionality, co-existing with the 9F as a pinnacle of quartz engineering.\u003c\/li\u003e\n\u003c\/dd\u003e\n\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\/e1202873922.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":52078109327681,"sku":"e1202873922","price":231900.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_94a0f850-8f1c-4287-a63e-c1f17482169e.jpg?v=1786515265","url":"https:\/\/nonkun.com\/products\/vintage-1999-japan-grand-seiko-8j56-8020-7jewels-quartz","provider":"NONKUN Japan","version":"1.0","type":"link"}