{"product_id":"vintage-1963-japan-seiko-seikomatic-self-data-j13059-24jewels-automatic","title":"Vintage 1963 JAPAN SEIKO SEIKOMATIC SELF-DATA J13059 24Jewels Automatic.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eVintage 1963 JAPAN SEIKO SEIKOMATIC SELF-DATA J13059 24Jewels 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 SELF-DATA J13059 24Jewels \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 SELF-DATA .\u003c\/li\u003e\n\u003cli\u003eCaliber number : 394.\u003c\/li\u003e\n\u003cli\u003eMovement : Automatic.\u003c\/li\u003e\n\u003cli\u003eBeat rate : 18000bph.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1962'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 : 3112609.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN.\u003c\/li\u003e\n\u003cli\u003eGlass : Acrylic.\u003c\/li\u003e\n\u003cli\u003eCase size : About 37.08mm.\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\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 Sovereign Pioneer of Early-60s Date Automatic Luxury (1963):\u003c\/b\u003e Manufactured in **1963**—a pivotal historical year preceding the 1964 Tokyo Olympics that marked Seiko's global ascendancy—the **Seikomatic Self-Data** reference **J13059** represented Suwa Seikosha's early premier automatic dress watch with integrated calendar functionality. Predating the standardized 4-digit reference numbering system, this pre-Grammar of Design classic laid the foundational architecture for all luxury Seiko automatics that followed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe High-Grade 24-Jewel Caliber 394 (Seikomatic) Automatic Engine:\u003c\/b\u003e Powering this historic instrument is the revered **24-jewel Caliber 394** (later designated within the 62 caliber family), an in-house automatic movement operating at a steady frequency of **18,000 vibrations per hour (vph)**. Equipping an automatic watch in **1963** with a lavish **24-jewel specification** minimized friction across critical gear-train pivots, utilizing Seiko's **Diashock** shock-protection system for exceptional daily resilience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"J13059\"\" Classic Dress Case and Hidden Crown Profile:\u003c\/b\u003e Sourced in a solid stainless steel case, the reference **J13059** is celebrated for its sweeping, thick lugs with delicate polished chamfers. Featuring an ultra-slim bezel profile and the signature **recessed crown at 4 o'clock**, the case maintains a smooth, completely symmetrical silhouette on the wrist that slides effortlessly under a formal shirt cuff.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eImmaculate Date-Only Dial Symmetry and Sunburst Radiance:\u003c\/b\u003e The dial of the **J13059** is a masterclass in early-1960s visual restraint, showcasing a radiant silver sunburst canvas free from day-window clutter. It features **hand-applied, multifaceted rectangular block indices**—with a distinct double index at 12 o'clock—and sharp razor-edged dauphine hands. The date calendar window at 3 o'clock is neatly framed, proudly signed **\"\"SEIKOMATIC\"\"** and **\"\"24 JEWELS\"\"** in classic mid-century typography.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Sovereign Engraved Case Back Crest Heritage:\u003c\/b\u003e The hallmark of this 1963 treasure rests on the case back: the deeply engraved or embossed **Seiko Dolphin\/Crown emblem**, certifying its factory-regulated precision and water-resistant case construction. As a rare pre-1964 transition reference, the J13059 24-jewel Seikomatic Self-Data stands as an essential, investment-grade cornerstone reference for serious vintage Seiko collectors worldwide.\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\/g1239022663.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":52140490719553,"sku":"g1239022663","price":69200.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_ec052e53-1ddd-4094-9606-5b58764308ed.jpg?v=1787795557","url":"https:\/\/nonkun.com\/products\/vintage-1963-japan-seiko-seikomatic-self-data-j13059-24jewels-automatic","provider":"NONKUN Japan","version":"1.0","type":"link"}