Stainless steel case with a stainless steel oyster bracelet. Fixed, domed bezel bezel. White dial with luminous hands and luminous stick hour markers. Minute markers around the outer edge. Luminescent hands and dial markers. Automatic movement. Scratch resistant sapphire crystal. Case diameter: 40 mm. Deployment clasp. Water resistant at 100 meters / 330 feet. AdditionalInfo: orange lightning bolt second hand; resistant to magnetic flux density of 1,000 gauss. Rolex Milgauss White Index Dial Domed Bezel Oyster Bracelet Mens Watch 116400WSO.