{"id":172264,"date":"2025-04-19T09:13:12","date_gmt":"2025-04-19T07:13:12","guid":{"rendered":"https:\/\/lionel-meylan.ch\/produit\/speedmaster-calibre-321-38-6-mm\/"},"modified":"2026-05-13T15:22:25","modified_gmt":"2026-05-13T13:22:25","slug":"speedmaster-calibre-321-38-6-mm","status":"publish","type":"product","link":"https:\/\/lionel-meylan.ch\/en\/product\/speedmaster-calibre-321-38-6-mm\/","title":{"rendered":"Speedmaster Calibre 321 38.6 mm"},"excerpt":{"rendered":"<p>Inspired by the very first Speedmaster CK2915-1 from 1957, this unique 38.6 mm timepiece in Canopus Gold\u2122 18K is adorned with a dark black onyx dial, enhanced by an applied vintage OMEGA logo and an &#8220;oval O&#8221;, a signature of the first CK2915 models. It also sports 18K white gold hands and hour markers with PVD treatment in Canopus Gold\u2122, a central chronograph function and three counters, including a small seconds, a 30-minute and a 12-hour counter. <\/p>\n<p>The bezel houses a black enamel tachymeter scale, adorned with the famous dot above the number 90 and a dot diagonally across the number 70.<\/p>\n<p>The caseback features a seahorse motif engraved inside the sapphire crystal. To celebrate the Speedmaster&#8217;s 65th anniversary, the eye has been replaced by a blue sapphire. The famous Calibre 321, which marked the history of space exploration, stands out behind the Seahorse. The crown features the NAIAD symbol, characteristic of some early CK2915 models.   <\/p>\n<p>Featuring an 18K Canopus Gold\u2122 bracelet with an adjustment system for added comfort, this watch is housed in a special 65th anniversary wooden box made from tulipwood (a tree similar to rosewood) and inspired by the shape and design of the original Speedmaster boxes.<\/p>\n","protected":false},"featured_media":66927,"template":"","meta":{"_acf_changed":false},"product_brand":[396],"product_cat":[491,493],"product_tag":[],"product_collection":[441],"class_list":["post-172264","product","type-product","status-publish","has-post-thumbnail","product_brand-omega-en","product_cat-new","product_cat-watches","product_collection-speedmaster-en","first","outofstock","shipping-taxable","purchasable","product-type-simple"],"acf":{"product_is_new":false,"product_not_available":false,"product_related_stores":null,"product_infos":"","product_features":[{"title":"Features","description":"<b>Chronograph<\/b>: The chronograph function is a mechanism for measuring time intervals. A chronograph watch can therefore time events while continuing to indicate the time in the same way as a traditional watch. <br><b>Transparent back<\/b>: A transparent back, often sapphire, allows the movement inside the watch to be seen.<br><b>Small seconds<\/b>: Sub-dial hand marking the seconds. It usually completes one full rotation in one minute. <br><b>Tachymeter<\/b>: A tachymeter watch has a speed-measuring function. It is a chronograph with a graduated dial on which the user can read the speed in kilometers per hour over a distance of 1,000 meters. <br>"},{"title":"Technical data","description":"<b>Reference number<\/b>: 311.50.39.30.01.001<br><b>Lug spacing<\/b>: 19 mm<br><b>Horn-to-horn height<\/b>: 48.00 mm<br><b>Thickness<\/b>: 13.92 mm<br><b>Case diameter<\/b>: 38.6 mm<br><b>Case<\/b>: Canopus Gold\u2122<br><b>Dial color<\/b>: Black<br><b>Glass<\/b>: Scratch-resistant sapphire crystal with double-sided anti-reflective coating<br><b>Water resistance<\/b>: 6 bar (60 metres \/ 200 feet)<br><b>Total product weight (approx.)<\/b>: 212 g<br><b>Caliber<\/b>: Omega 321<br><b>Movement type<\/b>: Hand-wound<br><b>Power reserve<\/b>: 55 hours<br>"},{"title":"Bracelet","description":"<b>Material<\/b>: Canopus Gold\u2122<br><b>Clasp type<\/b>: Deployment buckle with ease of use<br>"}],"product_cta_title":"","product_cta_descr":"","product_cta_btn":null,"product_cta_img":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Speedmaster Calibre 321 38.6 mm | Lionel Meylan<\/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:\/\/lionel-meylan.ch\/en\/product\/speedmaster-calibre-321-38-6-mm\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Speedmaster Calibre 321 38.6 mm | Lionel Meylan\" \/>\n<meta property=\"og:description\" content=\"Inspired by the very first Speedmaster CK2915-1 from 1957, this unique 38.6 mm timepiece in Canopus Gold\u2122 18K is adorned with a dark black onyx dial, enhanced by an applied vintage OMEGA logo and an &quot;oval O&quot;, a signature of the first CK2915 models. It also sports 18K white gold hands and hour markers with PVD treatment in Canopus Gold\u2122, a central chronograph function and three counters, including a small seconds, a 30-minute and a 12-hour counter. The bezel houses a black enamel tachymeter scale, adorned with the famous dot above the number 90 and a dot diagonally across the number 70.The caseback features a seahorse motif engraved inside the sapphire crystal. To celebrate the Speedmaster&#039;s 65th anniversary, the eye has been replaced by a blue sapphire. The famous Calibre 321, which marked the history of space exploration, stands out behind the Seahorse. The crown features the NAIAD symbol, characteristic of some early CK2915 models.  Featuring an 18K Canopus Gold\u2122 bracelet with an adjustment system for added comfort, this watch is housed in a special 65th anniversary wooden box made from tulipwood (a tree similar to rosewood) and inspired by the shape and design of the original Speedmaster boxes.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lionel-meylan.ch\/en\/product\/speedmaster-calibre-321-38-6-mm\/\" \/>\n<meta property=\"og:site_name\" content=\"Lionel Meylan\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/lionelmeylanvevey\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-13T13:22:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lionel-meylan.ch\/wp-content\/uploads\/2025\/04\/6ebfixmwjyr2ndatiqba2f02f65a4243d34f7b113bcb445601692e3fd..png\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta 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