{"id":162710,"date":"2026-06-25T13:02:58","date_gmt":"2026-06-25T10:02:58","guid":{"rendered":"https:\/\/sovietwatchstore.com\/?post_type=product&#038;p=162710"},"modified":"2026-06-25T14:03:08","modified_gmt":"2026-06-25T11:03:08","slug":"citizen-cosmotron-x8-transistorized-rare-time-capsule-example-from-october-1970","status":"publish","type":"product","link":"https:\/\/sovietwatchstore.com\/index.php\/product\/citizen-cosmotron-x8-transistorized-rare-time-capsule-example-from-october-1970\/","title":{"rendered":"Citizen Cosmotron X8 Transistorized  &#8211; Rare Time Capsule Example from October 1970"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;]Citizen mechanical wristwatch<\/p>\n<p>MADE IN JAPAN<\/p>\n<p><strong>The Citizen Legacy: A Pioneer of Precision<\/strong><br \/>\nFounded in 1918, Citizen is now one of the largest watch and movement groups in the world. The Japanese brand is known for its highly accurate and reliable Eco-Drive solar-powered watches. The Citizen group owns Bulova, Alpina, Frederique Constant, and Arnold &amp; Son, as well as movement manufacturers Miyota and La Joux-Perret.[\/vc_column_text][vc_column_text css=&#8221;&#8221;]<\/p>\n<h2 data-start=\"136\" data-end=\"180\">\ud83d\udd70\ufe0f <b data-path-to-node=\"8\" data-index-in-node=\"0\">A Revolution in Horological History: The Citizen Cosmotron Series<\/b><\/h2>\n<p data-path-to-node=\"9\">Before quartz took full control of the watch market, a brilliant, short-lived era of horology birthed the hybrid electromechanical watch. The Citizen Cosmotron represents the pinnacle of this technological transition. Combining the mechanical soul of a traditional escapement with the flawless precision of a battery-powered transistorized circuit, this series delivered a mesmerizing, perfectly smooth second-hand sweep that purrs at a true high-beat frequency. It is a rare, historically significant milestone highly coveted by vintage Japanese Domestic Market (JDM) enthusiasts.<\/p>\n<h3 data-path-to-node=\"10\"><b data-path-to-node=\"10\" data-index-in-node=\"0\">&#8212;&#8212;&#8212;&#8212;&#8212;<\/b><\/h3>\n<h3 data-path-to-node=\"13\"><b data-path-to-node=\"13\" data-index-in-node=\"0\">Description<\/b><\/h3>\n<p data-path-to-node=\"7\">Step back into a defining moment in horological history with this stunning Citizen X8 Cosmotron. Released just before the quartz revolution changed watchmaking forever, the Cosmotron stands out as a pioneering electromechanical masterpiece. Driven by a conventional balance wheel but powered entirely by a transistorized battery circuit, it gives you the classic mechanical &#8220;sweep&#8221; of the second hand combined with battery-powered convenience.<\/p>\n<p data-path-to-node=\"8\">This specific piece is an absolute time capsule for collectors. It features a brilliant sunburst silver dial, pristine brushed and polished surfaces on its distinctive cushion-shaped case, and retains its original paper hangtag along with the highly coveted red &#8220;JAPAN PASSED JEWELS&#8221; factory sticker on the caseback. Finding an early 70s hybrid electronic watch in this untampered state is an exceedingly rare opportunity.<\/p>\n<h3 data-path-to-node=\"9\">Technical Details<\/h3>\n<ul data-path-to-node=\"10\">\n<li>\n<p data-path-to-node=\"10,0,0\"><b data-path-to-node=\"10,0,0\" data-index-in-node=\"0\">Manufacturer:<\/b> Citizen Watch Co., Japan<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,1,0\"><b data-path-to-node=\"10,1,0\" data-index-in-node=\"0\">Era \/ Production Date:<\/b> October 1970<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,2,0\"><b data-path-to-node=\"10,2,0\" data-index-in-node=\"0\">Case Reference:<\/b> 4-480031 Y \/ 60-4038<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,3,0\"><b data-path-to-node=\"10,3,0\" data-index-in-node=\"0\">Dial Code:<\/b> JAPAN 6-480225-K<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,4,0\"><b data-path-to-node=\"10,4,0\" data-index-in-node=\"0\">Movement Type:<\/b> Transistorized Electronic \/ Electromechanical (Balance wheel driven via magnetic pulse)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,5,0\"><b data-path-to-node=\"10,5,0\" data-index-in-node=\"0\">Jewel Count:<\/b> 12 Jewels<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,6,0\"><b data-path-to-node=\"10,6,0\" data-index-in-node=\"0\">Case Material:<\/b> Heavy-duty Stainless Steel (Brushed top, polished flanks)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,7,0\"><b data-path-to-node=\"10,7,0\" data-index-in-node=\"0\">Dial:<\/b> Sunburst Silver with applied faceted indices and date aperture at 3 o&#8217;clock<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,8,0\"><b data-path-to-node=\"10,8,0\" data-index-in-node=\"0\">Bracelet:<\/b> Original multi-link stainless steel bracelet with signed Citizen folding clasp<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,9,0\"><b data-path-to-node=\"10,9,0\" data-index-in-node=\"0\">Inclusions:<\/b> Original vintage Citizen paper hangtag and intact factory caseback sticker<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Watch went through a complete service by a professional watch tech and keeps good time.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Comes complete with original steel bracelet*.<\/strong><\/p>\n<p>(*)Note: Stock bracelets are often shortened by previous owners and may not fit you(see bracelet size in the product images). We recommend adding a new Citizen lug width matched leather strap with your order.[\/vc_column_text][vc_single_image image=&#8221;147339&#8243; img_size=&#8221;full&#8221; style=&#8221;vc_box_rounded&#8221; onclick=&#8221;zoom&#8221; css=&#8221;&#8221;][vc_single_image image=&#8221;147331&#8243; img_size=&#8221;full&#8221; style=&#8221;vc_box_rounded&#8221; onclick=&#8221;zoom&#8221; css=&#8221;&#8221;][vc_column_text css_animation=&#8221;bounceInLeft&#8221; css=&#8221;&#8221;]This watch ships from \ud83c\uddfa\ud83c\udde6Ukraine with tracking number[\/vc_column_text][vc_single_image image=&#8221;147329&#8243; img_size=&#8221;full&#8221; style=&#8221;vc_box_rounded&#8221; onclick=&#8221;zoom&#8221; css=&#8221;&#8221;][vc_column_text css=&#8221;&#8221;]<\/p>\n<h3 data-path-to-node=\"16\"><b data-path-to-node=\"16\" data-index-in-node=\"0\">Why Collectors Seek This Specific Cosmotron<\/b><\/h3>\n<ul data-path-to-node=\"17\">\n<li>\n<p data-path-to-node=\"17,0,0\">The Citizen X8 Cosmotron represents the pinnacle of &#8220;Space Age&#8221; transitional watchmaking tech\u2014a short-lived engineering branch that disappeared almost overnight when quartz movements went mainstream. Collectors deeply prize it today because it bridges two completely different eras of design, pairing a traditional ticking escapement with transistor tech, and examples this clean with their original factory stickers and tags intact are incredibly scarce.<\/p>\n<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_single_image image=&#8221;147328&#8243; img_size=&#8221;full&#8221; style=&#8221;vc_box_rounded&#8221; onclick=&#8221;zoom&#8221; css=&#8221;&#8221;][vc_column_text css=&#8221;&#8221;]Modes of payment:<\/p>\n<ul>\n<li>PayPal<\/li>\n<li>Credit Cards (VISA, MasterCard, American Express, Discover)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>We guarantee that the item in this ad looks and works as advertised and offer money back guarantee on this.[\/vc_column_text][vc_single_image image=&#8221;147336&#8243; img_size=&#8221;full&#8221; style=&#8221;vc_box_rounded&#8221; onclick=&#8221;zoom&#8221; css=&#8221;&#8221;][vc_icon icon_fontawesome=&#8221;fa fa-star-o&#8221; color=&#8221;juicy_pink&#8221; align=&#8221;center&#8221;][vc_gallery interval=&#8221;3&#8243; images=&#8221;146289,146288,146292,146291,146290,146287,146286,146285,146284,146318,146293&#8243; img_size=&#8221;full&#8221; css=&#8221;&#8221; title=&#8221;Citizen lug width matched leather straps: 18mm -19mm &#8211; 20mm&#8221;][vc_single_image image=&#8221;157514&#8243; img_size=&#8221;full&#8221; style=&#8221;vc_box_rounded&#8221; css=&#8221;&#8221;][vc_text_separator title=&#8221;About the watch factory&#8221;][vc_single_image image=&#8221;157504&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css=&#8221;&#8221;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;2\/3&#8243;][vc_column_text css=&#8221;&#8221;]<strong>The Spirit of Innovation: The Citizen Legacy<\/strong><br \/>\nFounded in 1918 with the mission of creating timepieces that are &#8220;Citizens&#8221; of the world, the Citizen Watch Company has spent over a century redefining the boundaries of horology. From its origins as the Shokosha Watch Research Institute, the brand has remained steadfast in its philosophy: &#8220;Better Starts Now.&#8221; This belief\u2014that it is always possible to make something better\u2014transformed a local Japanese workshop into a global powerhouse of precision and craft. By controlling the entire manufacturing process in-house, from the individual components to the final assembly, Citizen ensures an uncompromising standard of quality that few manufacturers on earth can match.<br \/>\nWhat truly sets Citizen apart is its relentless pursuit of pioneering technology paired with environmental consciousness. The brand made history by introducing the world\u2019s first light-powered watch, the Eco-Drive, which eliminated the need for battery replacements and forever changed the industry&#8217;s approach to sustainability. Beyond its eco-friendly milestones, Citizen&#8217;s history is decorated with &#8220;world firsts,&#8221; including the first professional diving watch with an electronic depth sensor and the most accurate satellite-synchronized timekeeping systems. When you wear a Citizen, you aren&#8217;t just wearing a watch; you are wearing a piece of history engineered for the future.<br \/>\n<strong>Why Choose Citizen?<\/strong><\/p>\n<ul>\n<li><strong>In-House Excellence:<\/strong> Every movement is manufactured vertically within their own Japanese facilities.<\/li>\n<li><strong>Eco-Drive Technology:<\/strong> Powered by any light source, ensuring your watch never stops and never needs a battery.<\/li>\n<li><strong>Heritage of Firsts:<\/strong> A century-long track record of technical breakthroughs in durability and precision.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;157515&#8243; img_size=&#8221;full&#8221; css=&#8221;&#8221;][vc_single_image image=&#8221;157505&#8243; img_size=&#8221;full&#8221; css=&#8221;&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_masonry_media_grid css=&#8221;&#8221; grid_id=&#8221;vc_gid:1781691503706-8d123ca2-31fe-8&#8243; include=&#8221;157512,157510,157507,157508,157509,157511,157513,157506&#8243;][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Original Citizen Cosmotron (ref. 4-480031 Y) automatic quartz watch &#8211; beautifully preserved, museum-grade October 1970 Citizen X8 Cosmotron.<br \/>\nA fascinating hybrid of mechanical soul and electronic innovation from the dawn of the quartz era.<\/p>\n<p>MADE IN JAPAN!<\/p>\n<p>This watch ships from \ud83c\uddfa\ud83c\udde6Ukraine with tracking number<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":147334,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[684],"product_cat":[544,691,21,496],"product_tag":[1256,685,1258,1254,1174,690,1176,658,687,1257,258,1038,689,259,1259,1177,1099,686,1172,1255,1030,1260],"class_list":["post-162710","product","type-product","status-publish","has-post-thumbnail","product_brand-citizen","product_cat-duty-free-but-with-more-kgb-surveillance","product_cat-citizen","product_cat-wrist-watches","product_cat-space-themed-watches","product_tag-1970-vintage-watch","product_tag-citizen","product_tag-citizen-4-480031","product_tag-citizen-cosmotron-x8","product_tag-citizen-electronic-watch","product_tag-collectible-citizen","product_tag-electromechanical-watch","product_tag-japanese-domestic-market","product_tag-japanese-watch","product_tag-jdm-citizen","product_tag-pre-owned-watch","product_tag-rare-citizen-watch","product_tag-retro-style","product_tag-second-hand-vintage-watch","product_tag-sweep-seconds-electronic","product_tag-transistorized-vintage-watch","product_tag-transistorized-watch","product_tag-vintage-citizen","product_tag-vintage-citizen-cosmotron","product_tag-vintage-citizen-electronic","product_tag-vintage-jdm-watch","product_tag-vintage-space-age-watch","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"exclude_global_add_ons":true,"addons":[{"name":"Add Citizen lug width matched leather straps with 20% off:","type":"multiple_choice","position":0,"required":false,"title_format":"heading","default":"0","description_enable":false,"description":"","placeholder_enable":false,"placeholder":"","display":"images","restrictions_type":"any_text","adjust_price":false,"price":"","price_type":"flat_fee","restrictions":false,"min":"0","max":"0","options":[{"label":"leather strap for Citizen - Blue","price":"16.95","price_type":"flat_fee","image":146284,"visibility":true},{"label":"leather strap for Citizen - Black","price":"16.95","price_type":"flat_fee","image":146318,"visibility":true},{"label":"leather strap for Citizen - Light Brown","price":"16.95","price_type":"flat_fee","image":146286,"visibility":true},{"label":"leather strap for Citizen - Dark Brown","price":"16.95","price_type":"flat_fee","image":146285,"visibility":true}],"id":1765385617},{"name":"Add Gift Box:","type":"multiple_choice","position":1,"required":false,"title_format":"heading","default":"","description_enable":false,"description":"","placeholder_enable":false,"placeholder":"","display":"images","restrictions_type":"any_text","adjust_price":false,"price":"","price_type":"flat_fee","restrictions":false,"min":"0","max":"0","options":[{"label":"Leather Travel & Display Case - black","price":"21.95","price_type":"flat_fee","image":96401,"visibility":true},{"label":"Leather Travel & Display Case - brown","price":"24.95","price_type":"flat_fee","image":96400,"visibility":true},{"label":"Lacquered wooden box with pillow with 20% discount:","price":"27.95","price_type":"flat_fee","image":39850,"visibility":true}],"id":1765385603}],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Citizen Cosmotron X8 Transistorized - Rare Time Capsule Example from October 1970 - SovietWatchStore.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sovietwatchstore.com\/index.php\/product\/citizen-cosmotron-x8-transistorized-rare-time-capsule-example-from-october-1970\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Citizen Cosmotron X8 Transistorized - Rare Time Capsule Example from October 1970 - SovietWatchStore.com\" \/>\n<meta property=\"og:description\" content=\"Original Citizen Cosmotron (ref. 4-480031 Y) automatic quartz watch - beautifully preserved, museum-grade October 1970 Citizen X8 Cosmotron. 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