Omega is a Swiss watch manufacturer founded in 1848 and part of the Swatch Group, recognised for its role in professional diving, space exploration, and precision timekeeping. Core collections include the Seamaster, covering dive watches and the Aqua Terra, the Speedmaster chronograph worn during NASA moon missions, the Constellation as a dress watch line, and the De Ville. Many current references feature Omega's Co-Axial Master Chronometer movements, certified by METAS for magnetic resistance and precision. Omega watches are produced in steel, titanium, Sedna gold, and ceramic.