The fourth generation of the Omega Seamaster 300M was introduced at BaselWorld 2018, marking the return of the wave-dial and the introduction of the Co-Axial Master Chronometer caliber 8800. It is available in a number of variations; reference 21092442001001 has a 43.5mm ceramic case with titanium crowns, case back and bezel. It was added to the collection in 2019.
