The Omega Seamaster reference 220.20.38.20.56.001 features a 38mm case crafted from stainless steel and Sedna Gold. This model, introduced in 2017, is powered by the Omega caliber 8800, which utilizes automatic winding and includes a Co-axial escapement. The watch displays a grey dial and incorporates a date function. It is certified as a chronometer, ensuring precision in timekeeping.