Celebrating the history of the Speedmaster, this OMEGA Speedmaster Moonphase Steel and 18ct Sedna Gold Automatic Chronograph Men\'s Watch is an iconic and unique representation of the first watch to ever be worn on the lunar surface. At A Glance  Brown sun-brushed dial with chronograph sub dials Diamond polished 18ct Sedna gold indexes and hands Brown ceramic bezel with tachymetric scale At 6 o’clock is the accurate Moonphase indication featuring a high resolution image of the moon 44.25mm case dial with 100m water resistance Brown leather strap with polished-brushed fold over clasp Scratch resistant sapphire crystal glass Anti-magnetic movement Powered by the self-winding Calibre OMEGA 9904 movement, officially certified by METAS Power reserve of 60 hours