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