Omega 310.62.42.50.99.001 Co-Axial Yellow Dial Specifications: Condition New/Unworn Edition Special Edition Case Shape Round Case Dimensions 42mm Case Thickness 16.50mm Case Material Ceramic Dial Color Gold Crystal Anti-Reflective Scratch Resistant Sapphire Bezel Fixed Screw-in Crown No Water Resistance 50m/150ft Case Back Band Material Alligator/Crocodile Leather Color/Finish Clasp Tang Buckle Movement Automatic – Chronometer COSC Certified Yes