Inspired by the first watch worn on the moon 42mm stainless steel and 18ct Moonshine™ Gold case Silvered 'step' dial with galvanic 18ct Moonshine™ Gold sub dials Equipped with tachymeter function Powered by Omega's Master Chronometer 3861 calibre movement SPEEDMASTER MOONWATCH PROFESSIONAL Inspired by the 4th generation Speedmaster style worn on the moon, The Speedmaster Moonwatch is one of Omega's most iconic timepieces. Having been part of all six moon landings, this legendary watch captures the heart of the brand's pioneering spirit. Demonstrating the brand's commitment to evolution, this new 2021 edition, offers even more reliability, precision and excellence with Master Chronometer certification. SILVER CRESCENT This 42mm stainless steel and 18ct Moonshine™ Gold Moonwatch features a co-ordinating two tone bracelet and a sun brushed silvery 'step' dial complete with Moonshine™ Gold sub dials and hands. For advanced precision and reliability, this Master Chronometer is powered by Omega's 3861 calibre movement and includes a built-in tachymeter scale printed on the black ceramic bezel ring. This timepiece is complete with words 'the first watch worn on the moon' engraved into the case back.