{"title":"Seiko 8420 Parts","description":"\u003ch2\u003eGenuine Seiko 8420 Parts\u003c\/h2\u003e\n\u003cp\u003eOriginal Seiko replacement parts for watches with calibre 8420.\u003c\/p\u003e\n\u003ch3\u003eFind the right part\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCheck the case number on the back of your watch and search for it in our shop.\u003c\/li\u003e\n\u003cli\u003eNot sure where to look? Read \u003ca href=\"\/pages\/how-to-find-the-model-or-case-number-of-your-watch\"\u003ehow to find the model or case number of your watch\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eEvery product page lists the case numbers and calibres the part is made for.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrowse by part type\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/dials\"\u003eDials\u003c\/a\u003e · \u003ca href=\"\/collections\/hands\"\u003eHands\u003c\/a\u003e · \u003ca href=\"\/collections\/seiko-crystals\"\u003eCrystals\u003c\/a\u003e · \u003ca href=\"\/collections\/bezels\"\u003eBezels\u003c\/a\u003e · \u003ca href=\"\/collections\/gaskets-o-rings\"\u003eGaskets\u003c\/a\u003e · \u003ca href=\"\/collections\/movement-parts\"\u003eMovement parts\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eSee the full \u003ca href=\"\/collections\/seiko-parts\"\u003eSeiko parts catalogue\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"seiko-185n06sn00-sapphire-crystal-setw790-7321-0360","title":"SEIKO 185N06SN00 Sapphire Crystal SETW790 - 7321-0360","description":"\u003cp\u003eThis is the original replacement Sapphire Crystal for the SEIKO SETW790 - 7321-0360 \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich SEIKO watches is this Sapphire Crystal compatible with?\u003c\/strong\u003e (\u003cem\u003esee the table below for the complete list of compatible model and case codes \/ numbers\u003c\/em\u003e)\u003c\/p\u003e\u003cp\u003eThis watch Sapphire Crystal is compatible with the following \u003ca href=\"\/pages\/model-calibre-parts-list\" rel=\"noopener\" target=\"_blank\"\u003emodels\u003c\/a\u003e:\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eSETW790, SETW7901, SETW784, SETW7841, CULY10J1, CULY12J1, CULY30J1,\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich SEIKO case numbers is this Sapphire Crystal compatible with?\u003c\/strong\u003e (\u003cem\u003esee the table below for the complete list of compatible model and case codes \/ numbers\u003c\/em\u003e)\u003c\/p\u003e\u003cp\u003eThis Sapphire Crystal is compatible with the following \u003ca href=\"\/pages\/how-to-find-the-model-or-case-number-of-your-watch\" rel=\"noopener\" target=\"_blank\"\u003ecase numbers\u003c\/a\u003e:\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e7321-0360, 7321-0370, 8420-0019,\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ctable style=\"width: 94.7273%;\" width=\"154\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 60.0608%;\"\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 39.6592%;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSEIKO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArticle number\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e185N06SN00\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e18,5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eSapphire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eTransparent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrystal Coating Type\u003c\/td\u003e\n\u003ctd\u003eUncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrystal Fitting Type\u003c\/td\u003e\n\u003ctd\u003eGasket fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003e100% genuine, brand-new watch part, directly manufactured by Seiko. These are not aftermarket or refurbished components but original factory parts, ensuring a perfect fit and the highest quality\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cem\u003eFor the latest product FAQs, please scroll down to the bottom of this product page.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":53490297569617,"sku":"185N06SN00","price":93.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/SEIKO-GENUINE-WATCH-CRYSTAL-GLASS-OEM-ORIGINAL_be696bb7-1387-4b3f-b952-28a661745fba.png?v=1775836297"},{"product_id":"seiko-190n30sm01-sapphire-crystal-culw64j1-8420-0179","title":"SEIKO 190N30SM01 Sapphire Crystal CULW64J1 - 8420-0179","description":"\u003cp\u003eThis is the original replacement Sapphire Crystal for the SEIKO CULW64J1 - 8420-0179 \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich SEIKO watches is this Sapphire Crystal compatible with?\u003c\/strong\u003e (\u003cem\u003esee the table below for the complete list of compatible model and case codes \/ numbers\u003c\/em\u003e)\u003c\/p\u003e\u003cp\u003eThis watch Sapphire Crystal is compatible with the following \u003ca href=\"\/pages\/model-calibre-parts-list\" rel=\"noopener\" target=\"_blank\"\u003emodels\u003c\/a\u003e:\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eCULW64J1, CULW64J4, CULW64J7, CULW64J8, CULW64J9, CULW98J0, CULW98J1, CULW98J4, CULW98J7, CULW98J8, CULW98J9, CULV90J0, CULV90J1, CULV90J4, CULV90J7, CULV90J8, CULV90J9,\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich SEIKO case numbers is this Sapphire Crystal compatible with?\u003c\/strong\u003e (\u003cem\u003esee the table below for the complete list of compatible model and case codes \/ numbers\u003c\/em\u003e)\u003c\/p\u003e\u003cp\u003eThis Sapphire Crystal is compatible with the following \u003ca href=\"\/pages\/how-to-find-the-model-or-case-number-of-your-watch\" rel=\"noopener\" target=\"_blank\"\u003ecase numbers\u003c\/a\u003e:\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e8420-0179, 8420-0209, 8420-0249,\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ctable style=\"width: 94.7273%;\" width=\"154\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 60.0608%;\"\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 39.6592%;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSEIKO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArticle number\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e190N30SM01\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e19,0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eSapphire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eTransparent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrystal Coating Type\u003c\/td\u003e\n\u003ctd\u003eUncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrystal Fitting Type\u003c\/td\u003e\n\u003ctd\u003eGasket fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003e100% genuine, brand-new watch part, directly manufactured by Seiko. These are not aftermarket or refurbished components but original factory parts, ensuring a perfect fit and the highest quality\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cem\u003eFor the latest product FAQs, please scroll down to the bottom of this product page.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":53490316214609,"sku":"190N30SM01","price":70.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/SEIKO-GENUINE-WATCH-CRYSTAL-GLASS-OEM-ORIGINAL_ee3cfdaa-ff1e-4c05-abaf-5137c02311cf.png?v=1775836402"},{"product_id":"seiko-wul055d-8420-0020-watch","title":"Seiko WUL055D Watch \u0026 Parts | 8420-0020 | White Dial","description":"\u003cp\u003eSeiko WUL055D, case number 8420-0020, calibre 8420.\u003c\/p\u003e\u003cp\u003eThis page covers the following model numbers: WUL055D.\u003c\/p\u003e\u003ch3\u003eWatch Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCase appearance: Gold\u003c\/li\u003e\n\u003cli\u003eDial colour: White\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":54715598307665,"sku":"WUL055D","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/seiko-wul055d-8420-0020.png?v=1787925502"},{"product_id":"seiko-wul060d-8420-5340-watch","title":"Seiko WUL060D Watch \u0026 Parts | 8420-5340 | White Dial","description":"\u003cp\u003eSeiko WUL060D, case number 8420-5340, calibre 8420. Introduced in 1985.\u003c\/p\u003e\u003cp\u003eThis page covers the following model numbers: WUL060D.\u003c\/p\u003e\u003ch3\u003eWatch Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCase appearance: Gold\u003c\/li\u003e\n\u003cli\u003eBracelet material: Leather\/Plastics\u003c\/li\u003e\n\u003cli\u003eDial colour: White\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":54715598504273,"sku":"WUL060D","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/seiko-wul060d-8420-5340.png?v=1787925501"},{"product_id":"seiko-wul078-8420-5989-watch","title":"Seiko WUL078 Watch \u0026 Parts | 8420-5989 | 18K yellow gold, White Dial","description":"\u003cp\u003eSeiko WUL078, case number 8420-5989, calibre 8420.\u003c\/p\u003e\u003cp\u003eThis page covers the following model numbers: WUL078J1.\u003c\/p\u003e\u003ch3\u003eWatch Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCase material: 18K yellow gold\u003c\/li\u003e\n\u003cli\u003eBezel material: 18K yellow gold\u003c\/li\u003e\n\u003cli\u003eCase back material: Stainless steel\u003c\/li\u003e\n\u003cli\u003eCase appearance: Gold\u003c\/li\u003e\n\u003cli\u003eWater resistant construction: No\u003c\/li\u003e\n\u003cli\u003eBracelet material: Leather\/Plastics\u003c\/li\u003e\n\u003cli\u003eDial colour: White\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCase construction: Bezel: 18K yellow gold. Middle case: 18K yellow gold. Case back: Stainless steel.\u003c\/p\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":54715598602577,"sku":"WUL078","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/seiko-wul078j1-8420-5989.png?v=1787925501"},{"product_id":"seiko-wul105-8420-5460-watch","title":"Seiko WUL105 Watch \u0026 Parts | 8420-5460 | White Dial","description":"\u003cp\u003eSeiko WUL105, case number 8420-5460, calibre 8420.\u003c\/p\u003e\u003cp\u003eThis page covers the following model numbers: WUL105J1.\u003c\/p\u003e\u003ch3\u003eWatch Specifications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eDial colour: White\u003c\/li\u003e\u003c\/ul\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":54715598569809,"sku":"WUL105","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/seiko-wul105j1-8420-5460.png?v=1787925501"},{"product_id":"seiko-8420-6000-watch","title":"Seiko 8420-6000 Watch \u0026 Parts","description":"\u003cp\u003eSeiko, case number 8420-6000, calibre 8420.\u003c\/p\u003e\u003cp\u003eThis page covers the following model numbers: XX84206000.\u003c\/p\u003e\u003ch3\u003eWatch Specifications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eCase appearance: Gold\u003c\/li\u003e\u003c\/ul\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":54716047753553,"sku":"XX84206000","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/seiko-xx84206000-8420-6000.png?v=1787925875"}],"url":"https:\/\/watchplaza.co.uk\/collections\/seiko-8420-parts.oembed","provider":"WatchPlaza","version":"1.0","type":"link"}