Single watch, Omega, Seamaster series, model: 210.92.44.20.01.001, the case is made of black ceramic, which is lightweight and wear-resistant. It features a 43.5mm water wave dial, luminous hour markers, a black ceramic unidirectional rotating chronograph bezel with a helium release valve, and is equipped with the self-produced 8806 Master Chronometer co-axial movement with a transparent back. It has a titanium case back, a sports strap, a ceramic clasp, and is water-resistant to 300 meters!