{"product_id":"vintage-1975-japan-seiko-bell-matic-weekdater-4006-7012-27jewels-automatic","title":"Vintage 1975 JAPAN SEIKO BELL-MATIC WEEKDATER 4006-7012 27Jewels Automatic.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eVintage 1975 JAPAN SEIKO BELL-MATIC WEEKDATER 4006-7012 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\u003eBELL-MATIC WEEKDATER 4006-7012 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 : SEIKO BELL-MATIC WEEKDATER BUSINESS BELL .\u003c\/li\u003e\n\u003cli\u003eCaliber No. : 4006A.\u003c\/li\u003e\n\u003cli\u003eMovement : Automatic.\u003c\/li\u003e\n\u003cli\u003eBeat rate : 19800bph.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1967'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 No. : 530226.\u003c\/li\u003e\n\u003cli\u003eDial No. JAPAN 4006-7011T.\u003c\/li\u003e\n\u003cli\u003eGlass : Acrylic.\u003c\/li\u003e\n\u003cli\u003eCase size : About 38.4mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 19mm.\u003c\/li\u003e\n\u003cli\u003eBand : Wrist size that can be worn is Up to about 188mm.\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 days of the week : Iteration the hour hand at 10:00 and 1:00\u003cbr\u003eSet of the date: Press the button near the 3:00 position. \u003cbr\u003eInternal bezel Set : The set at one stage pulling the crown.\u003cbr\u003eBell Set:Pull the button near the 3:00 position. \u003cbr\u003eCrown\/pushers: Excellent Condition.\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\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eThe Sovereign Peak of Mid-70s Mechanical Alarm Luxury (1975):\u003c\/b\u003e Manufactured in \u003cb\u003e1975\u003c\/b\u003e—a pivotal historical year during Japan's mature post-war economic boom and the twilight of the golden mechanical era—the \u003cb\u003eSeiko Bell-Matic Weekdater\u003c\/b\u003e reference \u003cb\u003e4006-7012\u003c\/b\u003e represented Suwa Seikosha's premier multi-complication executive wrist instrument. Blending daily dual-calendar functionality with an intricate mechanical alarm mechanism, this flagship model stood as a triumph of Showa-era micro-engineering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Over-Engineered 27-Jewel Caliber 4006 Automatic Engine:\u003c\/b\u003e Powering this complex timepiece is the top-tier \u003cb\u003e27-jewel Caliber 4006A\u003c\/b\u003e, an in-house automatic engine operating at \u003cb\u003e18,000 vibrations per hour (vph)\u003c\/b\u003e. Featuring the highest jewel count offered in the 4006 series, its lavish \u003cb\u003e27-jewel specification\u003c\/b\u003e utilizes synthetic rubies across critical gear pivots to drastically reduce wear. It combines smooth rotor winding, a quick-set date calendar, and a fully mechanical internal hammer-and-gong alarm assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDistinctive Two-Function Crown and Mechanical Alarm Architecture:\u003c\/b\u003e Engineered for effortless executive utility, the \u003cb\u003e4006-7012\u003c\/b\u003e features a two-stage crown paired with a dedicated alarm control pusher at 2 o'clock. The wearer sets the internal alarm indicator ring via the crown, winds the dedicated alarm mainspring, and pulls the 2 o'clock pusher outward to arm the crisp, mechanical chiming alarm when the designated hour arrives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"7012\"\" Grammar of Design Stainless Steel Case:\u003c\/b\u003e Executed in solid stainless steel, the reference \u003cb\u003e7012\u003c\/b\u003e case geometry displays sharp angular facets, broad sweeping lugs, and zero-distortion mirror-polished Zaratsu surfaces inspired by Taro Tanaka's \u003cb\u003e\"\"Grammar of Design\"\"\u003c\/b\u003e principles. The robust case houses an inner rotating alarm bezel surrounding a radiant silver sunburst dial, complete with \u003cb\u003ehand-applied, multifaceted rectangular block indices\u003c\/b\u003e and a framed day-date display at 3 o'clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAn Investment-Grade Masterpiece of Suwa's Complication Heritage:\u003c\/b\u003e Produced during the milestone mechanical year of \u003cb\u003e1975\u003c\/b\u003e, the 4006-7012 27-jewel Bell-Matic Weekdater remains an exceptionally desirable, highly collectible cornerstone reference for serious vintage Seiko enthusiasts worldwide. Capturing the precise era where Suwa Seikosha perfected complex mechanical daily instruments right before the full expansion of digital quartz technology, it stands as an eternal, heirloom-quality testament to Japanese horological innovation.\u003c\/li\u003e\n\u003c\/ul\u003e\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\/l1244929459.jpg\"\u003e\u003c\/div\u003e\u003c\/dd\u003e\n\u003cdt style=\"font-size: 24px;font-weight: bolder;\"\u003eNotes\u003c\/dt\u003e\n\u003cdd style=\"margin-left: 16px;\"\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":67844913332545,"sku":"l1244929459","price":115000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_f2a376d0-f93a-4e21-a173-9e645e7478e7.jpg?v=1791596513","url":"https:\/\/nonkun.com\/products\/vintage-1975-japan-seiko-bell-matic-weekdater-4006-7012-27jewels-automatic","provider":"NONKUN Japan","version":"1.0","type":"link"}