{"id":65378,"date":"2026-08-26T20:56:18","date_gmt":"2026-08-26T18:56:18","guid":{"rendered":"https:\/\/master-watch-parts.com\/product\/miyota-5r21-quarzwerk-kompatibel-mit-citizen-5421-quartz-movement-miyota5r21-nos\/"},"modified":"2026-10-13T07:33:56","modified_gmt":"2026-10-13T05:33:56","slug":"miyota-5r21-quarzwerk-kompatibel-mit-citizen-5421-quartz-movement-miyota5r21-nos","status":"publish","type":"product","link":"https:\/\/master-watch-parts.com\/en\/product\/miyota-5r21-quartz-movement-compatible-with-citizen-5421-nos\/","title":{"rendered":"Miyota 5R21 Quartz Movement Compatible with Citizen 5421 \u2013 NOS"},"content":{"rendered":"<h2>Original Miyota 5R21 quartz watch movement<\/h2>\n<h2>Quartz watch movement (NOS)<\/h2>\n<p>New old stock Miyota 5R21 quartz movement with gold-tone plate, 9.00 x 13.50 mm, 1.90 mm height. Direct replacement for Miyota \/ Citizen 5421.<\/p>\n<p><strong><br \/>\nReplacement for caliber 5421<br \/>\n<\/strong><\/p>\n<h2>Description<\/h2>\n<p><strong>New Old Stock (NOS):<\/strong> Original MIYOTA 5R21 quartz watch movement from professional old stock. This movement is new, unused, has a gold-tone plate, and is supplied with the <strong>hour wheel already installed<\/strong>, exactly as shown in the photos.<\/p>\n<h3>Important compatibility note<\/h3>\n<p>The caliber <strong>Miyota 5R21<\/strong> is a direct, exact-fit replacement for the discontinued <strong>Miyota \/ Citizen 5421<\/strong>. Both movements have installation dimensions (3 \u00be x 6 ligne), hand hole sizes (0.80 \/ 0.40 mm) and dial feet that are 100% identical. Your existing hands and dial can be reused without any problem.<\/p>\n<h3>Specifications<\/h3>\n<ul>\n<li><strong>Brand:<\/strong> Miyota<\/li>\n<li><strong>Caliber:<\/strong> 5R21 (replacement for 5421)<\/li>\n<li><strong>Size:<\/strong> 3 \u00be x 6 ligne (9.00 x 13.50 mm)<\/li>\n<li><strong>Thickness:<\/strong> 1.90 mm<\/li>\n<li><strong>Hand hole sizes:<\/strong> 0.80 mm \/ 0.40 mm<\/li>\n<li><strong>Functions:<\/strong> 2-hand (hour, minute)<\/li>\n<\/ul>\n<h3>Highlights &amp; Scope of Delivery<\/h3>\n<ul>\n<li>\u2714\ufe0f New &amp; unused (NOS)<\/li>\n<li>\u2714\ufe0f High-quality gold-tone finish<\/li>\n<li>\u2714\ufe0f Discontinued caliber<\/li>\n<li><strong>Scope of delivery:<\/strong> 1x original MIYOTA 5R21 movement with or without hour wheel, depending on your selection.<\/li>\n<li>Battery not included (377)<\/li>\n<li>The stem shown in the pictures is a transport stem (dummy stem) without a thread. Please reuse your original winding stem for the installation.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Original Miyota 5R21 quartz watch movement Quartz watch movement (NOS) New old stock Miyota 5R21 quartz movement with gold-tone plate, 9.00 x 13.50 mm, 1.90 mm height. Direct replacement for Miyota \/ Citizen 5421. Replacement for caliber 5421 Description New Old Stock (NOS): Original MIYOTA 5R21 quartz watch movement from professional old stock. This movement [&#8230;]\n","protected":false},"featured_media":65385,"template":"","meta":[],"product_brand":[],"product_cat":[230,228],"product_tag":[],"class_list":["post-65378","product","type-product","status-publish","has-post-thumbnail","product_cat-quarz-werke","product_cat-uhrwerke","first","instock","taxable","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/master-watch-parts.com\/en\/wp-json\/wp\/v2\/product\/65378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/master-watch-parts.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/master-watch-parts.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/master-watch-parts.com\/en\/wp-json\/wp\/v2\/media\/65385"}],"wp:attachment":[{"href":"https:\/\/master-watch-parts.com\/en\/wp-json\/wp\/v2\/media?parent=65378"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/master-watch-parts.com\/en\/wp-json\/wp\/v2\/product_brand?post=65378"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/master-watch-parts.com\/en\/wp-json\/wp\/v2\/product_cat?post=65378"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/master-watch-parts.com\/en\/wp-json\/wp\/v2\/product_tag?post=65378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}