The Constellation 27 has a brushed finish and is powered by Omega's Co-Axial automatic movement. This Omega Constellation is available in many different materials and with a choice of dial colors, all sharing the timeless look of this iconic design with the signature claws on the side of the case. Ref. 123.25.27.20.58.001 has a diamond bezel and a champagne 'Supernova' dial.