{"product_id":"vintage-1966-japan-seiko-83-seikomatic-r-8346-9000-27jewels-automatic","title":"Vintage 1966 JAPAN SEIKO 83 SEIKOMATIC-R  8346-9000 27Jewels Automatic.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eVintage 1966 JAPAN SEIKO 83 SEIKOMATIC-R  8346-9000 27Jewels 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\u003e83 SEIKOMATIC-R  8346-9000 27Jewels \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 : 83 SEIKOMATIC-R.\u003c\/li\u003e\n\u003cli\u003eCaliber number : 8346A.\u003c\/li\u003e\n\u003cli\u003eMovement : Automatic.\u003c\/li\u003e\n\u003cli\u003eBeat rate : 18000bph.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1966'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 : 6D31667.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 8346-9000S AD.\u003c\/li\u003e\n\u003cli\u003eGlass : Crystal.\u003c\/li\u003e\n\u003cli\u003eCase size : About 37.3mm.\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\/Date) : Okay.\u003cbr\u003eSet the day of the week : Engrish only.\u003cbr\u003eSet of the days of the week : Iteration the hour hand at 9:00 and 12:00.\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 Milestone of Mid-60s Executive Dress Luxury (1966):\u003c\/b\u003e Manufactured in **1966**—a landmark historical year defined by Japan's post-war economic growth and technical watchmaking leadership—the **Seiko Seikomatic-R 8346-9000** represented the flagship tier of Suwa Seikosha's executive automatic collection. Positioned as an elite \"\"Refined\"\" (R-series) dress instrument, it was created to offer high-society professionals an ideal blend of ultra-slim case architecture and dependable daily automatic performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Over-Engineered 27-Jewel Caliber 8346 Automatic Heart:\u003c\/b\u003e Powering this historic timepiece is the revered **27-jewel Caliber 8346A**, an in-house slim automatic movement operating at a classic frequency of **18,000 vibrations per hour (vph)**. Equipping an executive dress watch in **1966** with a lavish **27-jewel specification** was a monumental statement of micro-engineering prowess. Utilizing a dense array of synthetic rubies across gear-train pivots to minimize rotor friction, it features **hacking seconds** and smooth manual-winding capability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"9000\"\" Low-Profile Case and Classic Geometry:\u003c\/b\u003e The reference **8346-9000** is globally celebrated among vintage purists for its textbook mid-century dress proportions. The solid case features an extraordinarily thin bezel paired with **slender, multifaceted lugs** finished with zero-distortion mirror polishing. Designed with a low-profile crown and low center of gravity, it sits entirely flush against the skin, sliding weightlessly under a tailored formal cuff.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eImmaculate Dual-Calendar Dial Harmony and Visual Clarity:\u003c\/b\u003e The dial of the **8346-9000** is a study in mid-century visual balance, showcasing a radiant silver sunburst canvas. It features **hand-applied, multifaceted rectangular block indices** with fine insert details and razor-sharp hands that catch light with high contrast. Symmetrically framed at 3 o'clock, the dual-calendar window displays both day and date, proudly completed by the applied **\"\"Seikomatic-R\"\"** typography above 6 o'clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAn Investment-Grade Masterpiece of Suwa's Automatic Heritage:\u003c\/b\u003e Manufactured in the milestone mechanical year of **1966**, the 8346-9000 27-jewel Seikomatic-R remains a highly coveted, universally respected cornerstone reference for serious vintage Seiko collectors worldwide. It captures the exact historical moment where Suwa Seikosha perfected high-grade slim automatic movements right before the industry transitioned to high-frequency platforms. Built to an uncompromising heirloom standard, it stands as an eternal testament to mid-1960s Japanese watch design.\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\/t1235393126.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":52078110179649,"sku":"t1235393126","price":67700.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_c3184e0c-ed57-4042-8dff-cb7a06556ec8.jpg?v=1786515298","url":"https:\/\/nonkun.com\/products\/vintage-1966-japan-seiko-83-seikomatic-r-8346-9000-27jewels-automatic","provider":"NONKUN Japan","version":"1.0","type":"link"}