{"product_id":"serviced-vintage-1971-japan-king-seiko-chronometer-sp-5245-6010-25j-automatic","title":"Serviced Vintage 1971 JAPAN  KING SEIKO CHRONOMETER SP 5245-6010 25J Automatic.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eServiced Vintage 1971 JAPAN  KING SEIKO CHRONOMETER SPECIAL 5245-6010 25Jewels 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  Automatic Watch, \u003cb\u003eKING SEIKO CHRONOMETER SPECIAL 5245-6010 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 : 52 KING SEIKO CHRONOMETER SPECIAL (CALENDAR) .\u003c\/li\u003e\n\u003cli\u003eCaliber number : 5245A.\u003c\/li\u003e\n\u003cli\u003eMovement : Automatic.\u003c\/li\u003e\n\u003cli\u003eBeat rate : 28800bph.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1971'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 : 150120.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 5245-6010T.\u003c\/li\u003e\n\u003cli\u003eGlass : Crystal.\u003c\/li\u003e\n\u003cli\u003eCase size : About 34.7mm.\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\u003e\u003cb style=\"color : red\"\u003eOverhaul service in September  2026.\u003cbr\u003eThe movement has been cleaned and oiled, so it works fine.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb style=\"\"\u003e\u003cfont color=\"#9b2166\" size=\"5\"\u003eThere is some peeling visible near the 6 o'clock position on the dial.\u003c\/font\u003e\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\n\u003cli\u003e\n\u003cb\u003eThe Apex of 1971 Daini Chronometric Perfection (1971):\u003c\/b\u003e Manufactured in **1971**—a historic milestone year during Japan's peak post-war industrial supremacy—the **King Seiko Chronometer Special** reference **5245-6010** represented Daini Seikosha's absolute pinnacle of mechanical horology. Engineered in Kameido as an elite challenger to Grand Seiko, this \"\"Special\"\" variant carried official chronometer certification, embodying the supreme technical pride and precision standards of late-Showa watchmaking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Legendary High-Beat 25-Jewel Caliber 5245 Automatic Engine:\u003c\/b\u003e Powering this historic timepiece is the revered **25-jewel Caliber 5245A**, an in-house automatic movement operating at a swift high-beat frequency of **28,800 vibrations per hour (8 beats per second)**. Highly celebrated by vintage purists for its micro-engineering sophistication, this caliber features **hacking seconds**, hand-winding capability, and a rare **instantaneous date change mechanism** that snaps precisely at midnight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"6010\"\" Grammar of Design Case Geometry:\u003c\/b\u003e The reference **5245-6010** is globally distinguished among collectors for its textbook execution of Taro Tanaka's **\"\"Grammar of Design\"\"** principles. Executed in solid stainless steel, the case features razor-sharp, multifaceted angular lugs and mirror-polished Zaratsu planes engineered to reflect light without distortion, allowing the low-profile instrument to sit completely flush against the wrist.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMasterful Dial Harmony and Official Chronometer Branding:\u003c\/b\u003e The dial of the **5245-6010** is a study in clinical mid-century visual balance. It showcases a radiant silver sunburst canvas decorated with **hand-applied, multifaceted hour indices** and sharp dauphine hands. The dial is proudly signed with **\"\"OFFICIALLY CERTIFIED\"\"**, the applied **\"\"KS\"\" logo**, **\"\"Special\"\"** script, **\"\"HI-BEAT\"\"** designation, and the iconic Daini lightning bolt emblem above 6 o'clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAn Investment-Grade Masterpiece of Kameido's Heritage:\u003c\/b\u003e Manufactured during the milestone mechanical year of **1971**, the 5245-6010 King Seiko Special Chronometer remains one of the most historically significant, highly sought-after Daini references worldwide. Capturing the precise moment where Kameido perfected high-beat chronometric utility right before the industry shifted into quartz technology, it stands as an eternal, investment-grade cornerstone of Japanese horology.\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\/d1242054569.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":67599499952449,"sku":"d1242054569","price":168200.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_eee4d130-313a-4f62-8306-ae0ca97fef98.jpg?v=1790731523","url":"https:\/\/nonkun.com\/products\/serviced-vintage-1971-japan-king-seiko-chronometer-sp-5245-6010-25j-automatic","provider":"NONKUN Japan","version":"1.0","type":"link"}