Brand New Authentic IWC Portugieser. Model IW500710. Stainless steel case with black alligator leather strap and polished stainless steel deployment clasp. Automatic self-winding movement powered by Calibre 52010. Features a blue dial, chronograph sub-dials displaying minutes (60 second), hours, and power reserve indicating up to 168 hours of operation. Equipped with scratch-resistant sapphire crystal glass. Round case shape measuring 42.3mm in diameter and 14.2mm thick. Includes transparent case back, rated at 30 meters / 100 feet water resistance, and comes with a 2 year WatchMaxx warranty.