Authentic Brand New Longines Spirit Flyback model L3.821.4532 men's watch with black dial and brown leather strap featuring stainless steel case, folding clasp, bi-directional rotating bezel, automatic movement (Longines Caliber L791), 68 hours power reserve, chronograph function (60 second and 30 minute sub-dials), round case shape measuring 42mm diameter and 17mm thickness with scratch resistant sapphire crystal and transparent case back. Water resistant up to 100 meters / 330 feet.