{"product_id":"seiko-original-gehausedichtung-ob2070-1-stuck-o-ring-o-ca-20-7-mm-0-75-mm","title":"SEIKO Original Housing Seal OB2070 (1 piece) – O-ring (Ø approx. 20.7 mm \/ 0.75 mm)","description":"\u003cp data-start=\"1296\" data-end=\"1331\"\u003e \u003cstrong data-start=\"1296\" data-end=\"1331\"\u003eSEIKO 純正部品 パッキン – Made in Japan\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp data-start=\"1333\" data-end=\"1641\"\u003e \u003cstrong data-start=\"1333\" data-end=\"1368\"\u003eGenuine SEIKO housing gasket\u003c\/strong\u003e with part number \u003cstrong data-start=\"1389\" data-end=\"1399\"\u003eOB2070\u003c\/strong\u003e , manufactured according to the classic SEIKO sealing system (OLD scheme). It is a \u003cstrong data-start=\"1493\" data-end=\"1523\"\u003eprecisely defined O-ring\u003c\/strong\u003e with \u003cstrong data-start=\"1532\" data-end=\"1560\"\u003ean inner diameter of approximately 20.7 mm\u003c\/strong\u003e and \u003cstrong data-start=\"1565\" data-end=\"1588\"\u003ea cross-section of 0.75 mm\u003c\/strong\u003e , as used in numerous SEIKO housings.\u003c\/p\u003e\n\n\u003ch3 data-start=\"1648\" data-end=\"1668\"\u003e Technical data\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong data-start=\"1672\" data-end=\"1687\"\u003eManufacturer:\u003c\/strong\u003e SEIKO\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cstrong data-start=\"1698\" data-end=\"1714\"\u003ePart number:\u003c\/strong\u003e OB2070\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong data-start=\"1726\" data-end=\"1734\"\u003eType:\u003c\/strong\u003e Housing seal \/ O-ring\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong data-start=\"1764\" data-end=\"1785\"\u003eInner diameter:\u003c\/strong\u003e approx. \u003cstrong data-start=\"1790\" data-end=\"1801\"\u003e20.7 mm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong data-start=\"1806\" data-end=\"1830\"\u003eCross-section \/ thickness:\u003c\/strong\u003e approx. \u003cstrong data-start=\"1835\" data-end=\"1846\"\u003e0.75 mm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong data-start=\"1851\" data-end=\"1872\"\u003eCross-sectional shape:\u003c\/strong\u003e round (O-shaped)\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong data-start=\"1893\" data-end=\"1903\"\u003eColor:\u003c\/strong\u003e black\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong data-start=\"1916\" data-end=\"1929\"\u003eMaterial:\u003c\/strong\u003e synthetic sealing rubber (SEIKO standard)\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong data-start=\"1980\" data-end=\"1992\"\u003eCondition:\u003c\/strong\u003e NOS (New Old Stock)\u003c\/li\u003e\n\n\u003cli data-start=\"2017\" data-end=\"2048\"\u003e\n\n \u003cstrong data-start=\"2017\" data-end=\"2034\"\u003eScope of delivery:\u003c\/strong\u003e \u003cstrong data-start=\"2035\" data-end=\"2046\"\u003e1 piece\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2051\" data-end=\"2072\"\u003e\n\n \u003cstrong data-start=\"2051\" data-end=\"2064\"\u003eOrigin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3 data-start=\"2079\" data-end=\"2126\"\u003e Explanation of the SEIKO coding system (OLD)\u003c\/h3\u003e\n\n \u003cp data-start=\"2128\" data-end=\"2205\"\u003eSEIKO marked seals according to a \u003cstrong data-start=\"2170\" data-end=\"2204\"\u003efunctional dimension and shape code\u003c\/strong\u003e :\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli data-start=\"2209\" data-end=\"2267\"\u003e\n\n \u003cstrong data-start=\"2209\" data-end=\"2235\"\u003e1st position (letter):\u003c\/strong\u003e Cross-sectional shape (O = O-ring)\u003c\/li\u003e\n\n\u003cli data-start=\"2270\" data-end=\"2325\"\u003e\n\n \u003cstrong data-start=\"2270\" data-end=\"2296\"\u003e2nd position (letter):\u003c\/strong\u003e Thickness\/width (B ≈ 0.75 mm)\u003c\/li\u003e\n\n\u003cli data-start=\"2328\" data-end=\"2382\"\u003e\n\n \u003cstrong data-start=\"2328\" data-end=\"2345\"\u003eNumeric keypad:\u003c\/strong\u003e Inner diameter size class\u003c\/li\u003e\n\n\u003cli data-start=\"2385\" data-end=\"2433\"\u003e\n\n \u003cstrong data-start=\"2385\" data-end=\"2404\"\u003eLast digits:\u003c\/strong\u003e serial or tolerance index\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-start=\"2435\" data-end=\"2530\"\u003e ➡️ This allows \u003cstrong data-start=\"2458\" data-end=\"2481\"\u003eexact original dimensions\u003c\/strong\u003e to be derived – unlike generic O-rings.\u003c\/p\u003e\n\n\u003ch3 data-start=\"2537\" data-end=\"2568\"\u003e Usage \/ Compatibility\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli data-start=\"2572\" data-end=\"2608\"\u003e SEIKO Quartz \u0026amp; Mechanical Models\u003c\/li\u003e\n\n\u003cli data-start=\"2611\" data-end=\"2640\"\u003e Small to medium-sized cases\u003c\/li\u003e\n\n\u003cli data-start=\"2643\" data-end=\"2669\"\u003e Press-fit or screw-in bottoms\u003c\/li\u003e\n\n\u003cli data-start=\"2672\" data-end=\"2745\"\u003e \u003cstrong data-start=\"2672\" data-end=\"2745\"\u003eAlways select by part number, not by \"approximate diameter\".\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Vintage \u0026 JDM (Japan Domestic Market)","offers":[{"title":"Default Title","offer_id":52265297248594,"sku":null,"price":12.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/3908\/0530\/files\/767DE689-54F9-4C78-B92D-38FAA0928599.jpg?v=1765645978","url":"https:\/\/japanese-microbrands.com\/en\/products\/seiko-original-gehausedichtung-ob2070-1-stuck-o-ring-o-ca-20-7-mm-0-75-mm","provider":"Japanese Microbrands - Mario Lenke","version":"1.0","type":"link"}