The Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm is a 44.25 mm watch from the Speedmaster collection. Its blue ceramic case is 16.85 mm thick and 50 mm from lug to lug, with 21 mm lugs. It is water resistant to 100 m. The crystal is sapphire.

The manufacturer’s list price is US$15,700. It comes in 2 versions, with blue and black dials.