{"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":"2026-08-01T05:53:06","modified_gmt":"2026-08-01T03:53:06","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":"

Taking inspiration from the very first Speedmaster CK2915-1 from 1957, this unique 38.6 mm model has been crafted in 18K Canopus Gold\u2122 and features a deep black onyx dial with an applied vintage OMEGA logo and typography featuring the “oval O” (typical for the first CK2915 models). There are also 18K white gold hands\/indexes with a Canopus Gold\u2122 PVD treatment and three subdials including a small seconds display, 30-minute recorder and 12-hour recorder, along with the central chronograph function.
The tachymeter scale on the bezel is filled with black enamel and if you look closely, you’ll also see the famous dot over ninety (DON) and a dot diagonal to seventy.
On the caseback, you\u2019ll find a Seahorse design engraved inside the sapphire crystal glass. To mark the Speedmaster\u2019s 65th anniversary, a blue sapphire is used for the eye. Behind the Seahorse is a clear view of the incredible Calibre 321 \u2013 famous for its history of space exploration. The crown features the NAIAD symbol, also specific to some of the first CK2915 models.
The watch is set on an 18K Canopus Gold\u2122 bracelet with a comfort release adjustment system, and is presented in a special 65th anniversary wooden box made of tulip tree (a Rosewood lookalike) which is 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":"Chronograph<\/b> : The chronograph function is a mechanism for measuring time intervals. A chronograph watch can therefore be used to time events while displaying the time like any traditional watch.
Small seconds<\/b> : A hand on a sub-dial which tracks seconds typically it completes a full rotation in one minute.
Tachymeter<\/b> : A tachymeter watch has a function for measuring speed. It is a chronograph with a graduated dial on which speed can be read in kilometres per hour based on a 1000 metre distance.
Transparent caseback<\/b> : A transparent caseback - frequently made of sapphire - makes it possible to see the movement inside the watch.
"},{"title":"Technical Data","description":"Reference<\/b> : 311.50.39.30.01.001
Between lugs<\/b> : 19\u00a0mm
Lug\u2011to\u2011lug<\/b> : 48.00\u00a0mm
Thickness<\/b> : 13.92\u00a0mm
Case diameter<\/b> : 38.6\u00a0mm
Case<\/b> : Canopus Gold\u2122
Dial colour<\/b> : Black
Crystal<\/b> : Scratch\u2011resistant sapphire crystal with anti\u2011reflective treatment on both sides
Water resistance<\/b> : 6 bar (60\u00a0metres \/ 200 feet)
Total product weight (approx.)<\/b> : 212 g
Calibre<\/b> : Omega 321
Movement type<\/b> : Manual\u2011winding
Power reserve<\/b> : 55 hours
"},{"title":"Bracelet","description":"Material<\/b> : Canopus Gold\u2122
Type of Clasp<\/b> : Foldover clasp with comfort setting
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There are also 18K white gold hands\/indexes with a Canopus Gold\u2122 PVD treatment and three subdials including a small seconds display, 30-minute recorder and 12-hour recorder, along with the central chronograph function.The tachymeter scale on the bezel is filled with black enamel and if you look closely, you'll also see the famous dot over ninety (DON) and a dot diagonal to seventy.On the caseback, you\u2019ll find a Seahorse design engraved inside the sapphire crystal glass. To mark the Speedmaster\u2019s 65th anniversary, a blue sapphire is used for the eye. Behind the Seahorse is a clear view of the incredible Calibre 321 \u2013 famous for its history of space exploration. The crown features the NAIAD symbol, also specific to some of the first CK2915 models.The watch is set on an 18K Canopus Gold\u2122 bracelet with a comfort release adjustment system, and is presented in a special 65th anniversary wooden box made of tulip tree (a Rosewood lookalike) which is 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=\"2026-08-01T03:53:06+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\" 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