This 39mm model in 18Kt stainless steel and Sedna ™ gold sports a bezel with engraved Roman numerals, a brown dial with sun brush and a date window located at 6. Needles, the OMEGA logo, the Constellation star and the indexes are 18 kt Sedna ™ gold. The watch incorporates the OMEGA Co-Axial Master Chronometer 8800 caliber movement, visible through the convex caseback in scratch-resistant sapphire crystal.