{"title":"Seiko 5J21 Parts","description":"\u003ch2\u003eGenuine Seiko 5J21 Parts\u003c\/h2\u003e\n\u003cp\u003eOriginal Seiko replacement parts for watches with calibre 5J21.\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-280p01sb02-sapphire-crystal-sadb003-5j21-0a30","title":"SEIKO 280P01SB02 Sapphire Crystal SADB003 - 5J21-0A30","description":"\u003cp\u003eThis is the original replacement Sapphire Crystal for the SEIKO SADB003 - 5J21-0A30 \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\u003eSADB003, SADB0031, SADB002, SADB0021, SADB001, SADB0011,\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\u003e5J21-0A30, 5J21-0A40,\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\u003e280P01SB02\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e28,0 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\u003eAnti-reflective coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrystal Fitting Type\u003c\/td\u003e\n\u003ctd\u003ePress-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":53490543067473,"sku":"280P01SB02","price":135.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/SEIKO-GENUINE-WATCH-CRYSTAL-GLASS-OEM-ORIGINAL_75b87398-3749-4460-a7a4-a155239f8347.png?v=1775838543"},{"product_id":"seiko-280p61s20a-sapphire-crystal-sagb001-5j21-0a80","title":"SEIKO 280P61S20A Sapphire Crystal SAGB001 - 5J21-0A80","description":"\u003cp\u003eThis is the original replacement Sapphire Crystal for the SEIKO SAGB001 - 5J21-0A80 \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\u003eSAGB001, SAGB0011, SAGB001J, SAGB005, SAGB0051, SAGB005J, SAGB007, SAGB0071, SAGB003, SAGB0031, SAGB003J, SAGC001, SAGC0011, SAGC001J, SAGC003, SAGC0031, SAGC003J,\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\u003e5J21-0A80, 5J22-0D40,\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\u003e280P61S20A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e28,0 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\u003ePress-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":53490557747537,"sku":"280P61S20A","price":256.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/SEIKO-GENUINE-WATCH-CRYSTAL-GLASS-OEM-ORIGINAL_5ae787cd-7904-4515-92b7-200c5fbe39a0.png?v=1775838637"},{"product_id":"seiko-290p30jr03-hardlex-crystal-stq001p1-5j21-0a70","title":"SEIKO 290P30JR03 Hardlex Crystal STQ001P1 - 5J21-0A70","description":"\u003cp\u003eThis is the original replacement Hardlex Crystal for the SEIKO STQ001P1 - 5J21-0A70 \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich SEIKO watches is this Hardlex 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 Hardlex 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\u003eSTQ001P1, STQ003P1, STQ005P1, SKH589P1, SKH587P1, SKH585P1, SKH583P1, SKA063P1, SKA091P1, SKA061P1, SKA089P1, SKA065P1, SKA093P1, SKA067P1, SKA095P1, SGE541P1, SGE543P1, SGE545P1,\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich SEIKO case numbers is this Hardlex 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 Hardlex 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\u003e5J21-0A70, 5M42-0J10, 5M62-0B60, 7N42-6C50, 7N42-6C60,\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\u003e290P30JR03\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e29,0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHardlex\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\u003eCurved edge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrystal Fitting Type\u003c\/td\u003e\n\u003ctd\u003ePress-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":53490587763025,"sku":"290P30JR03","price":29.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/SEIKO-GENUINE-WATCH-CRYSTAL-GLASS-OEM-ORIGINAL_0a3b3630-1df2-460b-9e80-4d63f3da266a.png?v=1775839139"},{"product_id":"seiko-stq003-5j21-0a70-watch","title":"Seiko STQ003 Watch \u0026 Parts | 5J21-0A70 | Stainless steel, Black Dial","description":"\u003cp\u003eSeiko STQ003, case number 5J21-0A70, calibre 5J21. Introduced in 2001.\u003c\/p\u003e\u003cp\u003eThis page covers the following model numbers: STQ003P1.\u003c\/p\u003e\u003ch3\u003eWatch Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCase material: Stainless steel\u003c\/li\u003e\n\u003cli\u003eBezel material: Stainless steel\u003c\/li\u003e\n\u003cli\u003eCase back material: Stainless steel\u003c\/li\u003e\n\u003cli\u003eCase back stamping: STAINLEES STEEL\u003c\/li\u003e\n\u003cli\u003eWater resistant construction: Yes\u003c\/li\u003e\n\u003cli\u003eBracelet material: Steel\/Rubber\u003c\/li\u003e\n\u003cli\u003eDial colour: Black\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCase construction: Bezel: Stainless steel. Middle case: Stainless steel. Case back: Stainless steel.\u003c\/p\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":54713792463185,"sku":"STQ003","price":375.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/seiko-stq003p1-5j21-0a70.png?v=1787920392"},{"product_id":"seiko-stq005-5j21-0a70-watch","title":"Seiko STQ005 Watch \u0026 Parts | 5J21-0A70 | Stainless steel, Blue Dial","description":"\u003cp\u003eSeiko STQ005, case number 5J21-0A70, calibre 5J21.\u003c\/p\u003e\u003cp\u003eThis page covers the following model numbers: STQ005P1.\u003c\/p\u003e\u003ch3\u003eWatch Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCase material: Stainless steel\u003c\/li\u003e\n\u003cli\u003eBezel material: Stainless steel\u003c\/li\u003e\n\u003cli\u003eCase back material: Stainless steel\u003c\/li\u003e\n\u003cli\u003eCase back stamping: STAINLEES STEEL\u003c\/li\u003e\n\u003cli\u003eWater resistant construction: Yes\u003c\/li\u003e\n\u003cli\u003eBracelet material: Leather\/Plastics\u003c\/li\u003e\n\u003cli\u003eDial colour: Blue\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCase construction: Bezel: Stainless steel. Middle case: Stainless steel. Case back: Stainless steel.\u003c\/p\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":54713792397649,"sku":"STQ005","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/seiko-stq005p1-5j21-0a70.png?v=1787920390"},{"product_id":"seiko-stq001-5j21-0a70-watch","title":"Seiko STQ001 Watch \u0026 Parts | 5J21-0A70 | Stainless steel, White Dial","description":"\u003cp\u003eSeiko STQ001, case number 5J21-0A70, calibre 5J21. Introduced in 2001.\u003c\/p\u003e\u003cp\u003eThis page covers the following model numbers: STQ001P1.\u003c\/p\u003e\u003ch3\u003eWatch Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCase material: Stainless steel\u003c\/li\u003e\n\u003cli\u003eBezel material: Stainless steel\u003c\/li\u003e\n\u003cli\u003eCase back material: Stainless steel\u003c\/li\u003e\n\u003cli\u003eCase back stamping: STAINLEES STEEL\u003c\/li\u003e\n\u003cli\u003eWater resistant construction: Yes\u003c\/li\u003e\n\u003cli\u003eBracelet material: Steel\/Rubber\u003c\/li\u003e\n\u003cli\u003eDial colour: White\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCase construction: Bezel: Stainless steel. Middle case: Stainless steel. Case back: Stainless steel.\u003c\/p\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":54713792430417,"sku":"STQ001","price":375.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/3531\/7585\/files\/seiko-stq001p1-5j21-0a70.png?v=1787920392"}],"url":"https:\/\/watchplaza.co.uk\/collections\/seiko-5j21-parts.oembed","provider":"WatchPlaza","version":"1.0","type":"link"}