The Rolex Cosmograph Daytona 126515LN-0002 is a luxurious timepiece that seamlessly blends elegance with high-performance functionality. Housed in a 40mm 18K Everose gold case, it features a black Cerachrom bezel with a tachymetric scale, allowing drivers to measure average speeds up to 400 miles or kilometers per hour. The bright black and Sundust dial showcases chronograph counters and 18K gold applique hour markers, all protected by a scratch-resistant sapphire crystal. The watch is powered by the Rolex Caliber 4131 movement, offering a power reserve of approximately 72 hours. It is water-resistant up to 100 meters and comes equipped with an Oysterflex bracelet, combining the robustness of a metal bracelet with the comfort of an elastomer strap.