Brand new authentic IWC men's watch model IW378001. Stainless steel case with black calfskin leather strap. Silver-tone hands and index/Arabic hour markers including outer minute track; three sub-dials displaying 60 seconds, 30 minutes, and 12 hours respectively located on a black dial surface. Automatic mechanical movement powered by Calibre 69385 providing approximately 46-hour power reserve along with day-of-the-week and date functions at the 3 o'clock position via sub-dials; round case shape measuring 43mm in diameter and 14.8mm thick. Features include scratch-resistant sapphire crystal display, screw-in transparent case back, water resistance up to 100 meters (equivalent to approximately 330 feet), day of the week indication, date function, power reserve indicator, chronograph functionality with central pushers and sweep seconds hand, hour markers for time reading, minute indicators around the bezel. Comes with a 2-year WatchMaxx warranty.