Authentic Hamilton H64645531 men's watch featuring an automatic self-winding Calibre H-40 movement. Includes date, hour, minute, second, and day functions. Equipped with a screw-down crown, scratch-resistant sapphire crystal, and a round stainless steel case measuring 42mm in diameter and 12.15mm thick. The black dial displays silver-filled hands and Arabic numeral/index hour markers with outer minute markers. Comes with a brown leather strap and tang clasp. Water resistant to 100 meters (330 feet). Includes a WatchMaxx warranty.