This 36 mm model in noble steel and 18 kt yellow gold sports a bezel with engraved Roman numerals, a white opaline silver dial and a date window located at 6. The needles, the OMEGA logo, the Constellation star and the 18 kt yellow gold indexes The watch incorporates the OMEGA Co-Axial Master Chronometer 8800 caliber movement, visible through the convex caseback in scratch-resistant sapphire crystal.