The Omega De Ville reference 425.30.34.20.57.004 features a stainless steel case with a diameter of 34mm. It is powered by the automatic winding Omega caliber 8520, which includes a co-axial escapement. This model, produced in 2016, showcases a brown mother of pearl dial and includes a date function. Additionally, it is certified as a chronometer, ensuring precision in timekeeping.