The Omega De Ville reference 425.20.34.20.55.004 features a 34mm case crafted from Sedna Gold and stainless steel. It is powered by the automatic winding Omega caliber 8520, which includes a Co-axial escapement. The watch showcases a white mother of pearl dial and includes a date function. This model was released in 2016 and is certified as a chronometer, ensuring precision in timekeeping.