The Omega Constellation ref: 131.20.25.60.55.002 features a combination of yellow gold and stainless steel in its case. This model, introduced in 2018, is powered by the Omega caliber 4061 quartz movement. The watch has a 25mm white dial, providing a clean and elegant appearance. Its design reflects a balance of materials, making it suitable for various occasions. The watch is a testament to Omega's commitment to precision and style.