Brand New Authentic Omega Speedmaster Moonphase Co-Axial Master Chronometer Chronograph Black Dial Stainless Steel Men’s Watch Model 304.30.44.52.01.001. Stainless Steel case with Silver Stainless Steel Brushed and Polished watch band. Deployment with Push Button and Foldover clasp. Fixed -Tachymeter bezel. Dial description: Metallic Black with silver-tone hands and index hour marker, Tachymeter dial. Automatic – Chronometer movement. Calendar: Date at 9 o’clock. Chronograph sub-dials display: Small Seconds, 12 Hours. Powered by Omega Calibre 9904 engine with 60 hours power reserve. Watch functions: Date, Hour, Minute, Second, Chronograph, Moonphase. Screw Down crown. Scratch Resistant Sapphire crystal. Case size: 44mm. Transparent case back. 100 Meters – 330 Feet water resistant. 5 year WatchMaxx warranty. Also known as model: 30430445201001, 304-30-44-52-01-001, O30430445201001.