Authentic Zenith Chronomaster Open men's watch, model number: 18.3300.3604/69.C922. Features an automatic chronograph movement powered by the El Primero Caliber 3604 with a 60-hour power reserve. Comes equipped with basic functions including hour, minute and second display as well as full chronograph capabilities featuring three sub-dials for seconds (large), minutes, and small seconds respectively. The case is made of brushed and polished 18K rose gold in a round shape measuring 39.5mm. It has a screw-down crown and is protected by scratch-resistant sapphire crystal. Secured with an elegant blue calfskin leather strap fitted to the rose gold deployment buckle fold-over clasp. The matte silver dial includes luminous rose gold tone hands and stick hour markers, complemented by minute and 1/10th second markers around its outer rim. Offers 100 meters (approx. 330 feet) water resistance and comes with a 2-year WatchMaxx warranty.