Black dial enhanced by luminous silver-tone hands. Black ceramic case with a black nylon band. Automatic movement. 50 meters / 165 feet water resistance. Fixed bezel. Scratch Resistant Sapphire crystal. Transparent caseback. Fold Over with Safety Release clasp. Screw Down crown. Case size 44.25 mm x 16.5 mm. Band 21 mm x long. Omega 311.92.44.51.01.007 Speedmaster Watch.