The OMEGA Seamaster Diver 300M is a 42 mm timepiece powered by the OMEGA Co-Axial Master Chronometer Calibre 8806, which is visible through the sapphire-crystal caseback. Presented on a black and white striped NATO Strap, this Certified Master Chronometer features water resistance up to 300 meters and a special luxury finish with rhodium-plated rotor and bridges with Geneva waves in arabesque. Power reserve of 55 hours