Authentic Zenith Chronomaster Sport luxury men's watch model 18.3101.3600/21.M3100. Features an automatic chronograph movement with power reserve, a black lacquered dial accented by luminous rose gold tone hands and stick hour markers along with minute markers on the outer rim. Includes three sub-dials displaying date, small seconds, 60-second, and 60-minute functions positioned between 4-5 o'clock for the date display. Constructed from brushed and polished 18K rose gold case and matching band equipped with a folding clasp closure. Possesses scratch-resistant sapphire crystal glass, round 41mm case size, transparent case back, 100 meters water resistance rating (approx. 330 feet), and comes with a 2-year WatchMaxx warranty.