Speedmaster Dark Side Of The Moon Sedna BlackA tribute to the Speedmaster Professional chronographs Inspired by a legacy 44. 25mm ceramic case with a black leather strapFeatures chronograph, chronometer, and tachymeter functions Driven by the 9300 calibre movement THE DARK SIDE OF THE MOON In 1968,the crew of Apollo 8 became the first humans to see the dark side of the moon, orbiting the moon 10 times over 20 hours. The Omega Speedmaster Dark Side Of The Moon pays tribute to the Speedmaster