{"product_id":"serviced-vintage-1965-japan-seiko-sportsmatic-calendar-7625-8961-17j-automatic","title":"Serviced Vintage 1965 JAPAN SEIKO SPORTSMATIC CALENDAR 7625-8961 17J Automatic.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eServiced Vintage 1965 JAPAN SEIKO SPORTSMATIC CALENDAR 820 7625-8961 17Jewels 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 SEIKO Automatic Watch, \u003cb\u003eSPORTSMATIC CALENDAR 820 7625-8961 17Jewels \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 : SPORTSMATIC CALENDAR 820 .\u003c\/li\u003e\n\u003cli\u003eCaliber number : 7625A,C,D,E.\u003c\/li\u003e\n\u003cli\u003eMovement : Automatic.\u003c\/li\u003e\n\u003cli\u003eBeat rate : 18000bph.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1964'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 : 5502034.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 7625-8911S ED.\u003c\/li\u003e\n\u003cli\u003eGlass : Acrylic.\u003c\/li\u003e\n\u003cli\u003eCase size : About 36.55mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 18mm.\u003c\/li\u003e\n\u003cli\u003eBand : New Leather Strap.\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 days of the week : Iteration the hour hand at 10:00 and 1:00\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 August  2025.\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 size=\"5\" color=\"#9b2166\"\u003eThere is a crack in the back cover. It has been lightly welded from the inside, but it is not completely waterproof, so please use it with care.\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 Sportsmatic Line:\u003c\/b\u003e The **Seiko Sportsmatic** series was a hugely popular and robust line of automatic watches launched in the early 1960s. It was designed to offer reliable self-winding movements to the mass market, building upon the foundations laid by earlier automatic models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe 7625 Caliber:\u003c\/b\u003e The watch is powered by the **Seiko Caliber 7625**, a widely used 17-jewel automatic movement known for its simplicity and durability. This movement operated at **18,000 vibrations per hour (vph)** and included a date complication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe \"\"Calendar 820\"\" Designation:\u003c\/b\u003e The \"\"Calendar 820\"\" designation often referred to the specific design or case code within the Sportsmatic series, indicating a model variant with a date function. The reference **7625-8961** adheres to the classic, clean, and practical mid-1960s aesthetic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSemi-Quickset Date:\u003c\/b\u003e The 7625 caliber typically featured a **semi-quickset date** function, where the date could be advanced by moving the hands back and forth between roughly 9 PM and 1 AM. This was a common method before the advent of full quickset systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHistorical Context (1965):\u003c\/b\u003e The production year **1965** places this watch at the peak of the Sportsmatic line's popularity, right before the global dominance of the *Seiko 5* series. It represents Seiko's excellence in high-volume production of reliable, high-value automatic watches.\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\/h1192797405.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":52078110441793,"sku":"h1192797405","price":45400.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_4f42e71f-79e8-43a9-8ea5-a603c4e93fb5.jpg?v=1786515310","url":"https:\/\/nonkun.com\/products\/serviced-vintage-1965-japan-seiko-sportsmatic-calendar-7625-8961-17j-automatic","provider":"NONKUN Japan","version":"1.0","type":"link"}