Stainless steel case with a stainless steel and 18kt yellow gold bracelet. 18kt yellow gold tachymeter engraved bezel. Blue dial with gold-tone hands and Arabic numeral and diamonds hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph – sub-dials displaying: three 12 hours, 30 minutes, and 60 seconds. Automatic movement. Scratch resistant sapphire crystal. Screw-down crown. Solid case back. Case diameter: 40mm. Round case shape. Oysterclasp clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, hour, minute, second. Casual watch style. Watch label: Swiss Made. Rolex Cosmograph Daytona Blue Dial Stainless Steel and 18kt Yellow Gold Mens Watch 116523BLAO.