The Omega Constellation ref: 131.25.29.20.55.001 features a 29mm case crafted from Sedna Gold and stainless steel. The dial is made of white mother of pearl and includes a date function. This timepiece is powered by the automatic winding Omega caliber 8700, which incorporates a Co-axial escapement. Introduced in 2018, it is certified as a chronometer, ensuring precision in timekeeping. The combination of materials and technical specifications makes this watch a notable addition to any collection.