{"product_id":"vintage-1970-japan-king-seiko-chronometer-calendar-4502-8010-25j-hand-winding-1","title":"Vintage 1970 JAPAN KING SEIKO CHRONOMETER CALENDAR 4502-8010 25J Hand-winding.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eVintage 1970 JAPAN KING SEIKO SUPERIOR CHRONOMETER CALENDAR 4502-8010 25Jewels 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 Hand-winding Watch, \u003cb\u003eKING SEIKO SUPERIOR CHRONOMETER CALENDAR 4502-8010 25Jewels \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 : 45 KING SEIKO CHRONOMETER CALENDAR .\u003c\/li\u003e\n\u003cli\u003eCaliber number : 4502A.\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 : 1969'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 : 050921.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 4502-8020T.\u003c\/li\u003e\n\u003cli\u003eGlass : Acrylic.\u003c\/li\u003e\n\u003cli\u003eCase size : About 37mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 18mm.\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\u003eQuick set(Day\/Date) : Okay. \u003cbr\u003eSet of the date : The set at one stage pulling the crown\u003c\/li\u003e\n\u003cli\u003eThe day difference time of an used 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 Sovereign Peak of 1970 Manual High-Beat Horology (1970):\u003c\/b\u003e Manufactured in **1970**—at the absolute height of Daini Seikosha's internal accuracy competitions—the **King Seiko Superior Chronometer Calendar** reference **4502-8010** stands as one of the most mechanically elite hand-wound dress watches ever produced. Rated above standard internal chronometers, the \"\"Superior Chronometer\"\" designation represented Daini's uncompromising response to Swiss Observatory standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Legendary 36,000 VPH Ultra-High Beat Caliber 4502 Engine:\u003c\/b\u003e Powering this historic instrument is the celebrated **25-jewel Caliber 4502A**, an in-house manual-winding engine operating at a staggering ultra-high-beat frequency of **36,000 vibrations per hour (10 beats per second)**. Renowned among master watchmakers for its incredible regulation potential, this movement features **hacking seconds**, instantaneous date switching, and an ultra-precise balance assembly designed for extreme rate stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"8010\"\" Pure Grammar of Design Case Geometry:\u003c\/b\u003e Sourced in a solid stainless steel case, the reference **4502-8010** is globally recognized as a textbook execution of Taro Tanaka's **\"\"Grammar of Design\"\"** guidelines. The case features flat, razor-sharp Zaratsu-polished planes, bold angular lugs, and zero-distortion mirror surfaces designed to catch and reflect ambient light from every angle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eClinical Calendar Dial Harmony and Elite \"\"Superior\"\" Branding:\u003c\/b\u003e The dial of the **4502-8010** is a masterclass in clinical perfection, displaying a radiant silver sunburst canvas set with **hand-applied, multifaceted rectangular block indices** with fine black central inserts. Free from day-window clutter, the neatly framed date aperture at 3 o'clock is balanced by the applied **\"\"KS\"\" logo**, **\"\"HI-BEAT\"\"** text, and the prestigious **\"\"SUPERIOR CHRONOMETER\"\"** script above 6 o'clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Sovereign Solid Gold KS Chronometer Case Back Medallion:\u003c\/b\u003e The ultimate hallmark of this 1970 horological masterpiece rests on the case back: the iconic **solid gold-embossed King Seiko Chronometer medallion** set flush into the case center. Certifying its elite factory-regulated rating and historical standing within Daini Seikosha's legacy, the 4502-8010 Superior Chronometer remains an essential, holy-grail investment-grade reference for collectors worldwide.\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\/w1236089045.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":52176425779521,"sku":"w1236089045","price":196500.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_8adf4bb1-be0b-4bb8-b47d-559f63d606a8.jpg?v=1788740097","url":"https:\/\/nonkun.com\/en\/products\/vintage-1970-japan-king-seiko-chronometer-calendar-4502-8010-25j-hand-winding-1","provider":"NONKUN Japan","version":"1.0","type":"link"}