The Omega Constellation reference 131.20.29.20.02.001 features a 29mm case crafted from Sedna Gold and stainless steel. This automatic timepiece is powered by the Omega caliber 8700 and includes a date function. The watch, produced in 2018, showcases a silver dial and is equipped with a Co-axial escapement. Additionally, it is certified as a chronometer, ensuring precision in timekeeping.