Omega 311.92.44.51.01.003
The Speedmaster series. Model 311.92.44.51.01.003, Dark Side of the Moon, scarce Speedmaster black ceramic "dark side of the moon", the whole watch is made of black ceramic lightweight wear-resistant, diameter 44.25mm, black dial, luminous scale pointer, double small dial chronograph function, calendar display, fixed ceramic speed dial, Equipped with back transparent self-produced 9300 coaxial automatic winding movement, Swiss Observatory certification, ceramic buckle!