Observatory Constellation Platinum-gold Master Chronometer 140.93.39.21.99.001

The Constellation Observatory marks a defining moment in OMEGA’s pursuit of precision. This 39.4 mm polished-brushed model in 950 platinum-gold features the distinctive faceted “dog-leg” lugs accompanied by a bezel with clear-cut facets. It is presented on a dark grey leather strap with golden scalelines 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 950 platinum-gold PVD coated with platinum in yellowish hue dial is presented with sun-brushed centre and brushed facets with 8 matte hand-guillochégrooves. The revamped kite-form indexes are fully diamond-polished, matched with diamond-polished kite-form hands, crafted from 18K white gold PVD coated with 950 platinum-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 cas...

Source: Omega website, last updated Mar 2026