OMEGA Speedmaster Dark Side of the Moon

Omega's Speedmaster Dark Side of the Moon, reference 310.92.44.51.01.003, is a chronograph with a 44.25 mm black ceramic case. The case measures 15.09 mm thick with a 50 mm lug-to-lug span, and the sapphire crystal carries anti-reflective treatment on both sides. Inside runs the self-winding calibre 9900, a column-wheel chronograph with a Co-Axial escapement, certified as a Master Chronometer by METAS and resistant to magnetic fields up to 15,000 gauss. It also holds a time zone function and a power reserve of 60 hours. The dial is black, with small seconds and a tachymeter scale, and the caseback is transparent. A black coated nylon fabric strap with a reinforced surface closes on a ceramic foldover clasp. Water resistance is rated to 50 metres.