The OMEGA Seamaster Diver 300M is a 42 mm, Bronze Gold timepiece powered by the OMEGA Co-Axial Master Chronometer Calibre 8806, which is visible through the sapphire-crystal caseback. This Certified Master Chronometer features water resistance up to 300 meters, a burgundy oxalic anodized aluminium bezel ring, a sandblasted black aluminium dial with PVD 18K Bronze Gold hands, an integrated black rubber strap, and a power reserve of 55 hours
