The Omega Constellation ref: 131.20.28.60.08.001 features a combination of yellow gold and stainless steel in its case. This model has a 28mm diameter and showcases a champagne dial. It is powered by the Omega caliber 4061 quartz movement, ensuring precise timekeeping. Released in 2018, this watch exemplifies a blend of materials and functionality, making it a notable addition to any collection.