Cosmograph Daytona ref 116599 watch in 18K white gold case set with 48 diamonds features a black leather strap and a pave diamond dial accented by silver-tone hands and enamel Arabic hour markers. Analog dial includes sub-dials for elapsed time (seconds, minutes, hours) displaying up to 30/60/12 hours respectively. Powered by an automatic chronograph movement with scratch-resistant sapphire crystal. Equipped with screw down crown, solid case back, round 40mm diameter case shape. Water resistant to 100 meters / 330 feet. Luxury Swiss made timepiece functions include hour, minute, second and chronograph.