The Omega Constellation ref: 131.20.28.60.55.002 features a combination of yellow gold and stainless steel in its case. This model has a 28mm diameter and a white dial, powered by the Omega caliber 4061 quartz movement. Released in 2018, it offers a blend of materials and precision engineering, making it a notable addition to the Constellation line. The watch is designed for those who appreciate a balance of elegance and functionality in their timepieces.