OMEGA Speedmaster Dark Side of the Moon

Omega's Speedmaster Dark Side of the Moon, reference 310.92.44.51.01.002, is a chronograph with a 44.25 mm case in black ceramic. The case is 15.09 mm thick and measures 50 mm lug to lug. Omega rates the case to 50 metres. A sapphire crystal with anti-reflective treatment on both sides covers the black dial. Calibre 9900 is a self-winding movement with a column wheel and a Co-Axial escapement, certified as a Master Chronometer, and it has a 60 hour power reserve. The dial has a date window and a small seconds display, and the watch also has a tachymeter. The case has a display back. A textile strap is fitted to the watch.