The Omega Constellation reference 131.20.25.60.55.001 features a case crafted from Sedna Gold and stainless steel, measuring 25mm in diameter. This model is powered by a quartz movement, specifically the Omega caliber 4061. The watch was released in 2018 and showcases a white dial. Its design combines both precious metal and durable materials, making it a versatile choice for various occasions.