Authentic Longines Spirit Flyback model L3.821.4.93.6, featuring a blue dial with bronze hands and Arabic numeral hour markers plus minute markers on the outer rim. Includes two sub-dials displaying 60-second and 30-minute chronograph functions for measuring elapsed time, powered by Longines Caliber L791.4 automatic movement with a 68-hour power reserve indicated separately. Equipped with screw-in crown, scratch-resistant sapphire crystal glass, round case size of 42mm thickness 17mm. Comes with a deployment clasp bracelet and transparent case back. Water resistant up to 100 meters or 330 feet.