Brand: Rolex Item name: Cosmograph Daytona Watch Item name (English): Cosmograph Daytona Model #: 116518LN Material: 18K Yellow Gold rubber Case Material: Yellow Gold Strap Material: Rubber Movement: Automatic Winding Weight: 155.8 g Case diameter (H): 40 mm (1.57 in) Case diameter (W): 40 mm (1.57 in) Arm circumference (cm): 19 cm (7.48 in) Dial: Black date: September 2017 Accessories: Box details: In-house 3 month Maintenance: Polished Item Description: "Daytona" reigns as the pinnacle of Rolex's sports models. Equipped with the in-house developed Chronograph movement "Cal.4130", this watch combines functionality and design. Ceramic bezel specification. Item Condition: Roulett. Item purchased overseas.