Brand New Authentic Zenith Chronomaster Open Black Dial Steel Men's Watch Model 03.3300.3604/21.M3300. Brushed and Polished Stainless Steel case with Brushed and Polished Stainless Steel watch band. Deployment clasp. Dial description - Silver tone hands and Index hour markers with minute markers around the outer rim and 3 colored sub-dials on a Black dial. Automatic movement. Chronograph sub-dials display - 60 Second, 60 Minute, Small Seconds. Powered by Zenith El Primero 3604 engine with 60 hours power reserve. Watch functions - Power Reserve, Hour, Minute, Second, Chronograph. Scratch Resistant Sapphire crystal. Round case shape. Case size - 39.5mm. 100 Meters - 330 Feet water resistant. 2 year WatchMaxx warranty. Also known as model - 033300360421M3300. Zenith Chronomaster Open Black Dial Steel Men's Watch 03.3300.3604/21.M3300