{"product_id":"vintage-1966-japan-seiko-sportsmatic5-6619-8120-21jewels-automatic","title":"Vintage 1966 JAPAN SEIKO SPORTSMATIC5 6619-8120 21Jewels Automatic.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eVintage 1966 JAPAN SEIKO SPORTSMATIC5 6619-8120 21Jewels 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\u003eSPORTSMATIC5 6619-8120 21Jewels \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 : SPORTSMATIC5 .\u003c\/li\u003e\n\u003cli\u003eCaliber number : 6619A.\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 : Suwa.\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 : 6802332.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 6619-8090R AD.\u003c\/li\u003e\n\u003cli\u003eGlass : Acrylic.\u003c\/li\u003e\n\u003cli\u003eCase size : About 36.5mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 19mm.\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) : Okay.\u003cbr\u003eSet the day of the week : English only.\u003cbr\u003eSet of the days of the week :Turn the hour hand for 24 hours to set it.\u003cbr\u003eSet of the date: Press 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 Zenith of Mid-60s Youth Lifestyle Revolution (1966):\u003c\/b\u003e In **1966**, during a golden era of soaring Showa industrial pride and rapid urban modernization, the **Seiko Sportsmatic 5** stood as a premier lifestyle icon. Sourced from the **Suwa Seikosha** factory under reference **6619-8120**, this historic model was engineered precisely for the active modern gentleman. By successfully uniting five key attributes—automatic winding, water resistance, date and day displays, and a recessed crown—it completely redefined affordable mechanical reliability and conquered the global watch market.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Highly Reliable 21-Jewel Caliber 6619 Heart:\u003c\/b\u003e This watch is powered by the famous **21-jewel Caliber 6619**, a robust workhorse automatic movement operating at a classic frequency of **18,000 vibrations per hour (vph)**. In **1966**, deploying a **21-jewel specification** for an everyday sport-dress watch was a massive statement of industrial quality. Utilizing extra synthetic rubies to secure the gear-train pivots and optimize winding efficiency, this caliber delivered exceptional stability that outperformed mainstream global competitors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"8120\"\" Recessed Crown Case Geometry:\u003c\/b\u003e The reference **6619-8120** is celebrated among vintage purists for its distinctively clean, mid-century continental flair. The solid stainless steel case features smooth, sweeping lugs and a beautifully polished plain bezel that execute early layout principles. Adhering to the core identity of the \"\"5\"\" series, it houses a **completely recessed time-setting crown at 4 o'clock**—visual proof that manual winding was fully obsolete due to the high efficiency of its internal automatic weight system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Innovative Push-Crown Quick-Set Calendar Mechanism:\u003c\/b\u003e One of the most famous engineering traits of the Caliber 6619 is its highly responsive **push-crown date quick-set feature**. By simply depressing the main crown inward like a button, the user could instantly advance the inner date disk forward by one day without interacting with the hands. The dial houses a beautifully framed dual-calendar window at 3 o'clock featuring a **bilingual day disk**, perfectly complementing the gorgeous silver sunburst canvas and **hand-applied, multifaceted chunky block indices**.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Sovereign Pride of the Etched Dolphin Insignia:\u003c\/b\u003e Manufactured in the milestone mechanical year of **1966**, the 6619-8120 remains one of the most highly sought-after, universally loved cornerstone references for serious vintage Seiko enthusiasts worldwide. The ultimate hallmark of its premium sporting pedigree sits on the screw-down case back: a **crisply etched Dolphin insignia**, which historically certified its rugged daily water-resistance and durability. It stands as a profound testament to an era when Japan perfected the high-utility lifestyle luxury instrument.\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\/w1232110921.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":52078113653057,"sku":"w1232110921","price":53800.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_f3b1d64c-4221-4afa-a4ae-2ecd512bd40e.jpg?v=1786515392","url":"https:\/\/nonkun.com\/products\/vintage-1966-japan-seiko-sportsmatic5-6619-8120-21jewels-automatic","provider":"NONKUN Japan","version":"1.0","type":"link"}