This Constellation 27 has a polished finishing and is powered by a sturdy and reliable quartz-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 and brushed bezel emboldened by tone-in-tone Roman numerals. Ref. 123.55.27.60.55.008 has a yellow gold case and a diamond-set bezel.