Observatory Constellation Sedna™ gold Master Chronometer 140.53.39.21.99.002

The Constellation Observatory marks a defining moment in OMEGA’s pursuit of precision. This 39.4 mm polished-brushed model in 18K Sedna™ Gold features the distinctive faceted “dog-leg” lugs accompanied by a bezel with clear-cut facets. It is presented on a dark burgundy leather strap on polished buckle. The “Pie-Pan” dial is a reminiscent of the original 1952 Constellation with dodecagonal facets, with applied OMEGA logo and Constellation star. The 18K Sedna™ Gold dial is presented with sun-brushed centre and opaline facets with 8 lustrous hand-guillochégrooves. The revamped kite-form indexes are fully diamond-polished, matched with diamond-polished kite-form hands, crafted from 18K Sedna™ Gold. The watch is driven by OMEGA’s calibre 8915, the world’s first two-hand watch to achieve Master Chronometer certification approved by METAS. The movement is visible through the sapphire crystal caseback, revealing a 18K Sedna™ Gold skeletonised rotor embellished by an applied medallion featu...

Source: Omega website, last updated Mar 2026