Omega Liquidmetal, cal. 9300, 232.90.46.51.03.001
https://www.omegawatches.com/watches/seamaster/planet-ocean-600m/co-axial-chronograph-455-mm/23290465103001/
Info/Produkt ark:
https://www.omegawatches.com/fileadmin/Watches/Product_Sheet/en/23290465103001-en.pdf
Basic functions...