{"product_id":"vintage-1963-japan-seiko-matic-weekdater-j13080-33jewels-automatic-1","title":"Vintage 1963 JAPAN SEIKO MATIC WEEKDATER J13080 33Jewels Automatic.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eVintage 1963 JAPAN SEIKO MATIC WEEKDATER J13080 33Jewels 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\u003eMATIC WEEKDATER J13080 33Jewels \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 : MATIC WEEKDATER .\u003c\/li\u003e\n\u003cli\u003eCaliber number : 400.\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 : 3016294.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN MAWJ13H333AD.\u003c\/li\u003e\n\u003cli\u003eGlass : Acrylic.\u003c\/li\u003e\n\u003cli\u003eCase size : About 37mm.\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 : English only.\u003cbr\u003eSet of the date : The set at one stage pulling the crown. \u003cbr\u003eSet of the week : Iteration the hour hand at 9:00 to 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\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 Holy-Grail Founding Dawn of Full-Day \"\"Weekdater\"\" Horology (1963):\u003c\/b\u003e Manufactured in **1963**—a landmark year in Japanese horological history—the **Seiko Matic Weekdater** reference **J13080** stands as the historic \"\"first-generation\"\" pioneer that launched Seiko's iconic full-day calendar line. As Suwa Seikosha's original high-grade automatic Weekdater prior to the introduction of four-digit case numbering, this Holy Grail reference defined executive wrist presence for the 1960s Japanese corporate boom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Extraordinary Ultra-High 33-Jewel Caliber 400 Movement:\u003c\/b\u003e Powering this historic masterpiece is the revered **33-jewel Caliber 400** (later designated as the 6218 family), operating at a classic frequency of **18,000 vibrations per hour (vph)**. Outfitted with an incredible **33-jewel specification** to drastically eliminate gear-train friction, this movement represents Suwa Seikosha's over-engineered commitment to chronometric precision, featuring **hacking seconds** and Seiko's proprietary **Diashock** protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"J13080\"\" Heavy-Gauge Case and Recessed Crown Integration:\u003c\/b\u003e Sourced in a heavy-gauge solid stainless steel case, the reference **J13080** exhibits early, bold **\"\"Grammar of Design\"\"** roots with its thick, angular lugs and broad zero-distortion mirror-polished bevels. Designed with Suwa's signature **recessed crown hidden at 4 o'clock**, the case maintains an uninterrupted, ultra-clean silhouette that rests commanding and flush on the wrist.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHistoric Arched Full-Day Dial Layout and 33-Jewel Branding:\u003c\/b\u003e The dial of the **J13080** displays pure mid-century executive elegance, set against a radiant silver sunburst canvas set with **hand-applied, multifaceted rectangular block indices**. It proudly features the iconic **curved full-day aperture positioned above 6 o'clock**—spelling out days like \"\"MONDAY\"\" in full typography—complemented by a framed date window at 3 o'clock, the applied **\"\"Seiko Matic\"\"** script, and the prominent **\"\"33 JEWELS\"\"** designation.\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\/j1239989019.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":52227001647425,"sku":"j1239989019","price":73500.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_2c7e114d-25a3-47bd-aac2-a685c1923874.jpg?v=1789520476","url":"https:\/\/nonkun.com\/products\/vintage-1963-japan-seiko-matic-weekdater-j13080-33jewels-automatic-1","provider":"NONKUN Japan","version":"1.0","type":"link"}