Constellation Observatory Master Chronometer 39mm

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 O-Megasteel features the distinctive faceted “dog-leg” lugs accompanied by a bezel with clear-cut facets. It is presented on a black glossy leather strap on polished buckle. The “Pie-Pan” dial is a reminiscent of the original 1952 Constellation with dodecagonal facets, with transferred OMEGA logo and applied Constellation star. The black ceramic dial is presented with polished centre and polished facets without grooves. The revamped kite-form indexes are fully diamond-polished, matched with diamond-polished kite-form hands, crafted from 18K white gold. The watch is driven by Omega's calibre 8914, the world’s first two-hand watch to achieve Master Chronometer certification made possible by