Constellation Observatory Master Chronometer 39mm Moonshine Gold

From the retailer listing

Defining a new standard for Co-Axial precision The Omega Constellation Observatory marks a defining moment in the Bienne maker's never-ending pursuit of precision. This 39.4 mm polished-brushed model in 18K Moonshine™ Gold features the distinctive faceted “dog-leg” lugs accompanied by a bezel with clear-cut facets. It is presented on a yellowish green 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 Moonshine™ 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 Moonshine™ Gold. The watch is driven by Omega's calibre 8915, the world’s first two-hand watch to achieve Master Chronome