{"id":2087713,"date":"2026-09-23T10:30:37","date_gmt":"2026-09-23T08:30:37","guid":{"rendered":"https:\/\/www.luxsure.fr\/?p=2087713"},"modified":"2026-09-28T09:25:11","modified_gmt":"2026-09-28T07:25:11","slug":"bell-ross-br-x5-meteorite-dial-cosc-calibre","status":"publish","type":"post","link":"https:\/\/www.luxsure.fr\/en\/2026\/09\/23\/bell-ross-br-x5-meteorite-dial-cosc-calibre\/","title":{"rendered":"Bell & Ross BR-X5 M\u00e9t\u00e9orite: Muonionalusta Dial and COSC Calibre"},"content":{"rendered":"\n

It took hundreds of millions of years of cooling in the vacuum of space to freeze the bands of kamacite and taenite into perfect geometric patterns<\/sup>. On Earth, Muonionalusta siderite \u2014 discovered in 1906 north of the Swedish Arctic Circle after passing through the atmosphere roughly a million years ago \u2014 is renowned for this crystalline Widmanst\u00e4tten structure<\/sup>. An interlacing that human metallurgy cannot reproduce<\/sup>.<\/p>\n\n\n\n

In the Bell & Ross BR-X5 M\u00e9t\u00e9orite, this iron rock does not settle for a merely decorative role<\/sup>. The dial is machined directly from the raw mineral mass, with no underlying brass plate to provide rigidity<\/sup>. The dial feet pass through the material itself<\/sup>. A thin layer of grey metallic PVD stabilises the iron-nickel alloy against oxidation without smoothing over its micro-roughness<\/sup>. The result exposes an uneven surface, streaked with diagonal lines where light catches shifting reflections, contrasting with the rhodium-plated “tonneau” indexes and skeletonised hands charged with blue-emitting Super-LumiNova BGW9<\/sup>.<\/p>\n\n\n\n

This geology fits into a case that is its formal antithesis: the 41 mm modular case in satin-brushed polished steel typical of the BR-X5 line<\/sup>. Designed with a sandwich architecture held by four through-screws, the middle case is hollowed out on its sides to lighten the mass on the wrist while protecting the internal components<\/sup>.<\/p>\n\n\n\n

At the heart of this architected cage operates calibre BR-CAL.323<\/sup>. Designed exclusively for the Maison in partnership with the Kenissi manufacture, this automatic movement beats at a modern frequency, displays a 70-hour power reserve \u2014 represented by a circular indicator at 9 o’clock that balances the large date window open at 3 o’clock \u2014 and claims a chronometer certification issued by the COSC<\/sup>. By confronting a frozen slice of cosmic time with a high-precision engine paced to the fraction of a second, the piece is a reminder that a measuring instrument never captures time: it merely marks its passing.<\/p>\n\n\n\n

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