Brand New Authentic IWC Pilot's Spitfire Chronograph Black Dial Green Strap Men's Watch Model IW387901. Stainless Steel case with Green Textile strap. Tang clasp. Fixed bezel. Dial description: Rose Gold tone luminous hands and Arabic/Index hour markers with minute markers around the outer rim with 3 sub-dials on a Black dial. Automatic movement. Calendar: Day of the Week and Date in 3 o'clock area. Chronograph sub-dials display: 60 Second, 30 Minute, 12 Hours. Powered by IWC Calibre 69380 engine with 46 hours power reserve. Watch functions: Date, Power Reserve, Hour, Minute, Second, Chronograph, Day. Screw in crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 41mm. Case thickness: 15.3mm. Solid case back. 60 Meters - 200 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: IW3879-01, 3879-01, 387901, IW3879.01.