This men's Omega Speedmaster automatic chronograph features a robust 44 mm grey ceramic case with a brushed stainless steel bezel and bracelet, housing the precision Co-Axial Master Chronometer movement. Its dial includes black printed hour markers illuminated by Super-LumiNova, with applied indices at 3,6,9 o'clock positions also treated for luminosity. The date function is displayed at the 3 o'clock position via an aperture. It boasts a power reserve of approximately 50 hours and comes equipped with Omega's original automatic winding system ensuring accurate timekeeping.