18kt yellow gold case with a black leather strap. Fixed, engraved bezel bezel. Black with 8 diamonds dial with luminous hands and diamond hour markers. Dial Type: Analog. Luminescent hands and dial markers. Black subdials. 44 jewels automatic movement. Scratch resistant sapphire crystal. Case diameter: 40mm. Round case shape. Deployment clasp. Water resistant at 100 meters/ 330 feet. Functions: hours/ minutes/ seconds/ chronograph. Additional Info: chronograph; tachymeter. Luxury watch style. Watch label: Swiss Made. Item Variations: 116518, 116518-DD, Rolex-116518, Rolex-116518-DD 116518, 116518-BKDL, Rolex-1165. Rolex Cosmograph Daytona Black Diamond Dial Leather Bracelet 18k Yellow Gold Men's Watch 116518BKDL.