Rolex brand Model (Watch) Daytona Reference number 116503 Automatic winding Case Material Gold/Steel Strap material Gold/Steel Year of manufacture 2017 Original Rolex documents, no box Automatic winding Case Case Material Gold/Steel Diameter 40 mm Water-resistant 10 ATM Bezel Material Yellow gold Glass Sapphire crystal Dial Black Numerals on dial Without numerals Strap Strap material Gold/steel Bracelet colour Gold/Steel Folding clasp Clasp material Gold/Steel Functions Chronograph