{"product_id":"vintage-1970-japan-seiko-5-sports-speed-timer-6138-0010-21jewels-automatic","title":"Vintage 1970 JAPAN SEIKO 5 SPORTS SPEED-TIMER 6138-0010 21Jewels Automatic.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eVintage 1970 JAPAN SEIKO 5 SPORTS SPEED-TIMER 6138-0010 21Jewels Automatic.\u003c\/h3\u003e\u003cp\u003eWelcome to my auction!\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\u003e5 SPORTS SPEED-TIMER 6138-0010 21Jewels \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 : 61 5 SPORTS SPEED-TIMER.\u003c\/li\u003e\n\u003cli\u003eCaliber number : 6138A,B.\u003c\/li\u003e\n\u003cli\u003eMovement : Automatic.\u003c\/li\u003e\n\u003cli\u003eBeat rate : 21800bph.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1970'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. : 032006.\u003c\/li\u003e\n\u003cli\u003eDial No. : JAPAN 6138-0010T.\u003c\/li\u003e\n\u003cli\u003eGlass : Crystal.\u003c\/li\u003e\n\u003cli\u003eCase size : About 43.8mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 19mm.\u003c\/li\u003e\n\u003cli\u003eBand : Wrist size that can be worn is Up to about 190mm.\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\u003eFunction is good.\u003cbr\u003eDay of the week can be set in English or Kanji. \u003cbr\u003eQuick set(Day\/Date) : Okay.\u003cbr\u003eSet of the days of the week  : The set at one stage pulling the crown.\u003cbr\u003eSet 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\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eThe Sovereign Dawn of Dual-Register Automatic Chronograph Supremacy (1970):\u003c\/b\u003e Manufactured in \u003cb\u003e1970\u003c\/b\u003e—a legendary watershed moment in global horology following the dawn of the automatic chronograph—the \u003cb\u003eSeiko 5 Sports Speed-Timer\u003c\/b\u003e reference \u003cb\u003e6138-0010\u003c\/b\u003e (affectionately known by collectors worldwide as the \"\"UFO\"\" or \"\"Yachtsman\"\") represented Suwa Seikosha's pinnacle sports timing flagship. Offered exclusively on the domestic Japanese market (JDM) with dedicated \"\"Speed-Timer\"\" branding, it established Seiko's technical dominance in heavy-duty racing chronographs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Advanced Column-Wheel \u0026amp; Vertical-Clutch Caliber 6138 Engine:\u003c\/b\u003e Powering this motorsport instrument is the celebrated in-house \u003cb\u003e21-jewel Caliber 6138\u003c\/b\u003e (6138A), an automatic chronograph movement operating at \u003cb\u003e21,800 vibrations per hour (vph)\u003c\/b\u003e. Featuring an over-engineered \u003cb\u003e21-jewel specification\u003c\/b\u003e, this movement integrated a traditional \u003cb\u003ecolumn-wheel coordinator\u003c\/b\u003e with a state-of-the-art \u003cb\u003evertical clutch system\u003c\/b\u003e—ensuring seamless chronograph engagement without hand jump—alongside a two-register readout (12-hour and 30-minute totalizers), manual hand-winding capability, and quick-set dual-calendar operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"0010\"\" UFO Helmet-Case Geometry:\u003c\/b\u003e The reference \u003cb\u003e6138-0010\u003c\/b\u003e is globally celebrated for its imposing, futuristic circular \"\"saucer\"\" or \"\"helmet\"\" stainless steel case. Featuring hooded, hidden lugs, radial brushed front planes, and razor-sharp mirror-polished Zaratsu edge bevels, the muscular case houses dual pump pushers framing an integrated external tachymeter bezel calibrated for high-velocity speed measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMasterful \"\"Speed-Timer\"\" Racing Dial and Bilingual Utility:\u003c\/b\u003e The dial of the \u003cb\u003e6138-0010\u003c\/b\u003e showcases quintessential 1970s rally aesthetics, featuring a matte black backdrop punctuated by vibrant orange-red chronograph hands and recessed sub-dials. Symmetrically framed at 3 o'clock, the dual-calendar aperture houses a \u003cb\u003ebilingual (English\/Kanji) day disk\u003c\/b\u003e alongside the date wheel, proudly offset by the iconic applied \u003cb\u003e\"\"5 Sports\"\"\u003c\/b\u003e shield, \u003cb\u003e\"\"Speed-Timer\"\"\u003c\/b\u003e script, and the Suwa Seikosha vortex insignia.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAn Investment-Grade Pillar of Japanese Chronograph Heritage:\u003c\/b\u003e Produced during the inaugural release era of the 6138 series in \u003cb\u003e1970\u003c\/b\u003e, the 6138-0010 Speed-Timer remains an exceptionally coveted, museum-grade cornerstone reference for serious vintage chronograph collectors. Merging Seiko's legendary column-wheel vertical-clutch engineering with iconic space-age case styling, it stands as an enduring monument to Showa-era sports horology.\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\/h1241345207.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":68200526152001,"sku":"h1241345207","price":219500.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_ae1181fe-90eb-49f9-878c-af1fed8d7a02.jpg?v=1794102935","url":"https:\/\/nonkun.com\/en\/products\/vintage-1970-japan-seiko-5-sports-speed-timer-6138-0010-21jewels-automatic","provider":"NONKUN Japan","version":"1.0","type":"link"}