Brand New Authentic Omega Speedmaster 57 Master Chronograph Black Dial Men's Watch Model 332.10.41.51.01.001. Stainless Steel case with Stainless Steel watch band. Deployment with Foldover clasp. Dial description: Silver tone hands and Index hour markers with minute markers around the outer rim and 2 sub-dials on a Black dial. Automatic movement. Calendar: Date at 6 o'clock. Chronograph sub-dials display: 60 Second, 12 Hours. Powered by Omega Calibre 9906 engine with 60 hours power reserve. Watch functions: Date, Hour, Minute, Second, Chronograph. Scratch Resistant Sapphire crystal. Round case shape. Case size: 40.5mm. Transparent case back. 50 Meters - 165 Feet water resistant. 5 year WatchMaxx warranty. Also known as model: 33210415101001.