The Rolex Oyster Perpetual Cosmograph Daytona, reference 116519LN, is an automatic 40 mm chronograph in 18k white gold with an Oysterflex bracelet. This Daytona model, with its monochrome aesthetic, suits both formal and casual dress. It is a timepiece for daily wear, or for specific occasions that require precise timing. The Oysterflex strap provides a secure fit. Key details Brand: Rolex Type: Mechanical watch Material: 18k white gold, ceramic, rubber Colour: Grey Line: Daytona