{"product_id":"vintage-1965-japan-seiko-seikomatic-r-8305-9010-30jewels-automatic-1","title":"Vintage 1965 JAPAN SEIKO SEIKOMATIC-R 8305-9010 30Jewels Automatic.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eVintage 1965 JAPAN SEIKO SEIKOMATIC-R 8305-9010 30Jewels 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\u003eSEIKOMATIC-R 8305-9010 30Jewels \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 : SEIKOMATIC-R.\u003c\/li\u003e\n\u003cli\u003eCaliber number : 8305B.\u003c\/li\u003e\n\u003cli\u003eMovement : Automatic.\u003c\/li\u003e\n\u003cli\u003eBeat rate : 18000bph.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1963'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 : 5509116.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 8305-9011T AD.\u003c\/li\u003e\n\u003cli\u003eGlass : Acrylic.\u003c\/li\u003e\n\u003cli\u003eCase size : About 37.7mm.\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 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 Executive Zenith of 1965 Suwa Refinement (1965):\u003c\/b\u003e Manufactured in **1965**—a pivotal transitional year in Japanese watchmaking marking the Tokyo Olympic era and Suwa Seikosha's internal caliber restructuring—the **Seikomatic-R** reference **8305-9010** represented the pinnacle of upper-middle executive elegance. The \"\"R\"\" designation signaled a streamlined, highly refined movement architecture designed to deliver chronometer-tier thinness and automatic convenience to mid-1960s professionals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe High-Grade Over-Engineered 30-Jewel Caliber 8305 Engine:\u003c\/b\u003e Powering this historic dress instrument is the flagship **30-jewel Caliber 8305**, an in-house automatic movement operating at **18,000 vibrations per hour (vph)**. Engineered during an era when jewel count reflected pure mechanical prestige, this ultra-lavish **30-jewel specification** minimized friction across every critical pivot of the gear train and self-winding assembly, offering **quick-set date utility**, hacking seconds, and manual-winding capability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"9010\"\" Case and Recessed Crown Integration:\u003c\/b\u003e Sourced in a solid stainless steel (or gold-plated) case, the reference **8305-9010** features sweeping, angular dress lugs with sharp polished bevels. Designed with Suwa’s signature **recessed crown tucked semi-flush at 4 o'clock**, the case maintains an ultra-clean, symmetrical silhouette that sits flat against the wrist and glides weightlessly under formal shirt cuffs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eImmaculate Date-Only Dial Harmony and Script Typography:\u003c\/b\u003e The dial of the **8305-9010** showcases mid-1960s visual purity, set against a radiant silver sunburst canvas decorated with **hand-applied, multifaceted hour indices** and razor-sharp dauphine hands. Free from day-window clutter, the framed date window at 3 o'clock is perfectly balanced by the elegant applied **\"\"SEIKOMATIC-R\"\"** script and the bold **\"\"30 JEWELS\"\"** designation above 6 o'clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAn Essential Pillar of Mid-Century Automatic Lineage:\u003c\/b\u003e Produced during the golden age of Japanese mechanical dress watches, the 8305-9010 30-jewel Seikomatic-R stands as an indispensable, investment-grade cornerstone reference. It captures the exact bridge between early heavy-rotor automatics and the slim high-beat executive series that dominated the late 1960s.\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\/e1241350351.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":52243711951169,"sku":"e1241350351","price":73200.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_78f8aaeb-0154-4d7c-8143-54910e206e23.jpg?v=1789972326","url":"https:\/\/nonkun.com\/en\/products\/vintage-1965-japan-seiko-seikomatic-r-8305-9010-30jewels-automatic-1","provider":"NONKUN Japan","version":"1.0","type":"link"}