Omega Constellation Co-Axial 8900

This is an Omega Constellation Globemaster, a model known for its classic design and Master Chronometer certification. The specific model year isn't certain based on the photo alone, but the Omega Globemaster series was introduced in 2022. Its design pays homage to vintage Omega Constellation watches from the 1950s, featuring the pie-pan dial and fluted bezel.