OMEGA Speedmaster Dark Side of the Moon

The Omega Speedmaster Dark Side of the Moon, reference 310.92.44.51.01.005, is a chronograph with a 44.25 mm black ceramic case. The case measures 15.09 mm thick with a lug-to-lug span of 50 mm. A sapphire crystal with anti-reflective treatment on both sides covers the dial, and a matching display back shows the movement. Inside is the self-winding calibre 9900, a Master Chronometer certified movement with column wheel, Co-Axial escapement and silicon balance-spring, resistant to magnetic fields up to 15,000 gauss. It runs on two barrels mounted in series for 60 hours of power reserve and adds a small seconds display alongside its chronograph functions. The black rubber strap closes with a ceramic foldover clasp. Water resistance sits at 50 metres.