The Omega Constellation ref: 131.25.29.20.53.001 features a 29mm case crafted from yellow gold and stainless steel. This automatic watch is powered by the Omega caliber 8700 movement, which includes a Co-axial escapement for enhanced precision. The blue dial displays a date function and is certified as a chronometer. This model was released in 2019, showcasing a blend of materials and advanced watchmaking technology.