Men's automatic chronograph watch, model 18.9000.9004/71.R585. Rose gold case with fixed rose gold bezel and black rubber strap featuring a brown croco-embossed leather overlay. Displays analog time with luminous rose gold-tone hands and index hour markers against a skeletal dial layout. Equipped with minute, 60 second, and 1/100th second markers around the outer rim. Includes sub-dials for 30-minute chronograph timing, seconds hand function (small seconds), and power reserve indicator visible on the dial. Powered by Zenith Calibre El Primero 9004 automatic movement with a frequency of approximately 36,000 vph (1000 bpm). Movement contains 53 jewels. Sapphire crystal glass is used for scratch resistance. Features include luminous elements at hour markers and hands, pull/push crown operation, transparent case back, round shape measuring 44 mm in diameter with a thickness of 14.50 mm. Band width is 23mm secured by double foldover clasp mechanism. Water resistant up to 100 meters (330 feet). Swiss Made luxury style.