Brand New Authentic IWC Portugieser Automatic Chronograph Green Dial Leather Strap Men's Watch Model IW371615. Stainless Steel case with Black Alligator Leather strap. Dial description: Silver tone hands and Arabic Numeral hour markers with minute markers around the outer rim and 2 sub-dials on a Green dial. Automatic-Chronograph movement. Chronograph sub-dials display: 60 Second, 30 Minute. Powered by IWC Calibre 69355 engine with 46 hours power reserve. Watch functions: Power Reserve, Hour, Minute, Second, Chronograph. Scratch Resistant Sapphire crystal. Round case shape. Case size: 41mm. Case thickness: 13mm. Transparent case back. 30 Meters - 100 Feet water resistant. 2 year WatchMaxx warranty.