The Omega Speedmaster 522.20.42.30.01.002 is part of a set of 5 watches created in honor of the 2020 Tokyo Olympics. The full-set consists of the following watches;Speedmaster Professional 522.30.42.30.03.002: stainless steel, blue dial, blue insertSpeedmaster Professional 522.20.42.30.01.002: stainless steel, yellow gold, black dial, black insertSpeedmaster Professional 522.30.42.30.04.002: stainless steel, panda dial, black insertSpeedmaster Professional 522.20.42.30.06.002: stainless steel, Sedna gold, grey dial, green insertSpeedmaster Professional 522.30.42.30.06.002: stainless steel, silver dial, red insertThe price listed is for the set, converted from Japanese Yen at the date shown.