{"id":157158,"date":"2026-01-16T03:27:50","date_gmt":"2026-01-16T02:27:50","guid":{"rendered":"https:\/\/lionel-meylan.ch\/produit\/speedmaster-moonwatch-professional-42-mm-2\/"},"modified":"2026-06-24T04:09:51","modified_gmt":"2026-06-24T02:09:51","slug":"speedmaster-moonwatch-professional-42-mm-2","status":"publish","type":"product","link":"https:\/\/lionel-meylan.ch\/en\/product\/speedmaster-moonwatch-professional-42-mm-2\/","title":{"rendered":"Speedmaster Moonwatch Professional 42 mm"},"excerpt":{"rendered":"<p>The Speedmaster Moonwatch is one of the world\u2019s most iconic timepieces. Having been a part of all six moon landings, the legendary chronograph is an impressive representation of the brand\u2019s adventurous pioneering spirit.<\/p>\n<p>This 42 mm model features sapphire crystal glass on both the front and caseback, presented on a polished-brushed stainless steel bracelet. The design draws inspiration from the 4th generation Speedmaster worn on the moon. Its black varnished and lacquered double plate step dial is complemented by white varnished and lacquered subdials set within rhodium-plated frames. Details include the OMEGA logo and indexes, Moonwatch style hands, and the famous dot over 90 on the black ceramic bezel ring.<\/p>\n<p>The watch is driven by the OMEGA Co-Axial Master Chronometer Calibre 3861, which powers the small seconds sub-dial, 30-minute recorder and 12-hour recorder, along with the central chronograph function.<\/p>\n","protected":false},"featured_media":157159,"template":"","meta":{"_acf_changed":false},"product_brand":[396],"product_cat":[491,493],"product_tag":[1111],"product_collection":[441],"class_list":["post-157158","product","type-product","status-publish","has-post-thumbnail","product_brand-omega-en","product_cat-new","product_cat-watches","product_tag-new-en","product_collection-speedmaster-en","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":{"product_is_new":false,"product_not_available":false,"product_related_stores":"","product_infos":"","product_features":[{"title":"Features","description":"<b>Anti-magnetic<\/b> : The movement is unaffected by exposure to strong magnetic fields, even those greater than 1.5 tesla (15,000 gauss).<br><b>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.<br><b>Chronometer<\/b> : Label given to a watch which has been successfully tested by an accredited and independent laboratory in order to receive a certificate compliant with the chronometer ISO 3159 standard.<br><b>Master Chronometer Certified<\/b> : Guaranteeing the Swiss industry\u2019s highest standard of precision, performance and magnetic-resistance, as set by the Swiss Federal Institute of Metrology (METAS).<br><b>Small seconds<\/b> : A hand on a sub-dial which tracks seconds typically it completes a full rotation in one minute.<br><b>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.<br><b>Transparent caseback<\/b> : A transparent caseback - frequently made of sapphire - makes it possible to see the movement inside the watch.<br>"},{"title":"Technical Data","description":"<b>Reference<\/b> : 310.30.42.50.01.004<br><b>Between lugs<\/b> : 20\u00a0mm<br><b>Lug\u2011to\u2011lug<\/b> : 47.50\u00a0mm<br><b>Thickness<\/b> : 13.54\u00a0mm<br><b>Case diameter<\/b> : 42\u00a0mm<br><b>Case<\/b> : Steel<br><b>Dial colour<\/b> : Black<br><b>Crystal<\/b> : Scratch\u2011resistant sapphire crystal with anti\u2011reflective treatment inside<br><b>Water resistance<\/b> : 5 bar (50\u00a0metres \/ 165 feet)<br><b>Total product weight (approx.)<\/b> : 142 g<br><b>Calibre<\/b> : Omega 3861<br><b>Movement type<\/b> : Manual\u2011winding<br><b>Power reserve<\/b> : 50 hours<br>"},{"title":"Bracelet","description":"<b>Material<\/b> : Steel<br><b>Type of Clasp<\/b> : Foldover clasp with comfort setting<br>"}],"product_cta_title":"","product_cta_descr":"","product_cta_btn":[""],"product_cta_img":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Speedmaster Moonwatch Professional 42 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-moonwatch-professional-42-mm-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Speedmaster Moonwatch Professional 42 mm | Lionel Meylan\" \/>\n<meta property=\"og:description\" content=\"The Speedmaster Moonwatch is one of the world\u2019s most iconic timepieces. Having been a part of all six moon landings, the legendary chronograph is an impressive representation of the brand\u2019s adventurous pioneering spirit.This 42 mm model features sapphire crystal glass on both the front and caseback, presented on a polished-brushed stainless steel bracelet. The design draws inspiration from the 4th generation Speedmaster worn on the moon. Its black varnished and lacquered double plate step dial is complemented by white varnished and lacquered subdials set within rhodium-plated frames. 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