The Omega Constellation ref: 131.55.29.20.53.003 features a 29mm case crafted from Sedna Gold. This model, introduced in 2019, is powered by the Omega caliber 8701, which utilizes automatic winding and a Co-axial Escapement. The watch includes a blue dial and a date function, and it is certified as a Chronometer, ensuring precision in timekeeping.