The Omega Seamaster Diver 300M Co Axial Master Chronometer Chronograph 44mm is a 44 mm watch from the Seamaster Diver 300M collection. Its 18kt sedna gold case is 17.2 mm thick and 52.8 mm from lug to lug, with 21 mm lugs. It is water resistant to 300 m. The crystal is sapphire.

The manufacturer’s list price is US$27,300. It comes in 2 versions, with blue, black and gold dials.