{"product_id":"vintage-1968-japan-seiko-skyliner-6220-8010-21jewels-hand-winding","title":"Vintage 1968 JAPAN SEIKO SKYLINER 6220-8010 21Jewels Hand-winding.","description":"\u003cbr\u003e\u003ch3 style=\"font-size: 32px; color : #2B0000; margin-bottom: 36px;\"\u003eVintage 1968 JAPAN SEIKO SKYLINER 6220-8010 21Jewels Hand-winding.\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 Hand-winding Watch, \u003cb\u003eSKYLINER 6220-8010 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 : SKYLINER .\u003c\/li\u003e\n\u003cli\u003eCaliber number : 6220B,C.\u003c\/li\u003e\n\u003cli\u003eMovement : Hand-winding.\u003c\/li\u003e\n\u003cli\u003eBeat rate : 18000bph.\u003c\/li\u003e\n\u003cli\u003eYear of manufacture start : 1961'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 : 829843.\u003c\/li\u003e\n\u003cli\u003eDial number : JAPAN 6220-8030U AD.\u003c\/li\u003e\n\u003cli\u003eGlass : Acrylic.\u003c\/li\u003e\n\u003cli\u003eCase size : About 38.1mm.\u003c\/li\u003e\n\u003cli\u003eLug width : 18mm.\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\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 Benchmark of 1968 Slim Manual-Wind Luxury (1968):\u003c\/b\u003e Manufactured in **1968**—a landmark historical year during Japan's mid-Showa industrial expansion—the **Seiko Skyliner** reference **6220-8010** represented Suwa Seikosha's definitive statement in ultra-slim dress watch architecture. Engineered as an elegant alternative to heavier automatic models, the Skyliner line offered minimalist, high-grade sophistication for corporate executives during the prime era of mechanical Japanese watchmaking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe Over-Engineered 21-Jewel Caliber 6220 Manual Heart:\u003c\/b\u003e Powering this historic timepiece is the revered **21-jewel Caliber 6220A**, an in-house manual-wind movement operating at a classic frequency of **18,000 vibrations per hour (vph)**. Celebrated by vintage purists for its exceptionally flat movement profile and long-term daily stability, this caliber deploys a lavish **21-jewel specification** across gear-train pivots to minimize mechanical friction, complete with Seiko's **Diashock** anti-shock system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArchitectural \"\"8010\"\" Grammar of Design Case Geometry:\u003c\/b\u003e The reference **6220-8010** is globally distinguished among collectors for its early implementation of Taro Tanaka's **\"\"Grammar of Design\"\"** guidelines. Executed in solid stainless steel, the case features sharp, multifaceted angular lugs, zero-distortion mirror-polished Zaratsu bevels, and a sleek, low-profile bezel. This slim profile allows the mechanical instrument to rest completely flush against the wrist, sliding effortlessly under a tailored executive shirt cuff.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eImmaculate Non-Date Dial Symmetry and Fine Cursive Typography:\u003c\/b\u003e The dial of the **6220-8010** is a masterclass in late-1960s visual restraint. Free from calendar window clutter, the brilliant silver sunburst canvas showcases **hand-applied, multifaceted rectangular block hour markers** with a double index at 12 o'clock and sharp dauphine hands. The dial is gracefully adorned with the iconic stylized **\"\"Skyliner\"\"** cursive typography, **\"\"21 JEWELS\"\"** designation, and Suwa Seikosha factory crest above 6 o'clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAn Investment-Grade Masterpiece of Suwa's Manual Legacy:\u003c\/b\u003e Produced during the milestone mechanical year of **1968**, the 6220-8010 21-jewel Seiko Skyliner remains an uncommonly clean, highly sought-after cornerstone reference for serious vintage Seiko purists. Capturing the precise historical moment where Suwa Seikosha perfected high-utility manual-wind dress watches before the global industry shift toward quartz technology, it stands as an eternal heirloom of Japanese horological history.\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\/b1242356543.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":67586067366209,"sku":"b1242356543","price":74300.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/8205\/0625\/files\/57_de46f2b2-aa3d-47dc-96dd-161f59b4aba1.jpg?v=1790556477","url":"https:\/\/nonkun.com\/en\/products\/vintage-1968-japan-seiko-skyliner-6220-8010-21jewels-hand-winding","provider":"NONKUN Japan","version":"1.0","type":"link"}