Rolex Cosmograph Daytona 126518LN-0012 The Rolex Cosmograph Daytona 126518LN-0012 features a 40mm 18K yellow gold case, black Cerachrom bezel, and a striking golden-and-black dial with three chronograph counters. Powered by the Rolex Caliber 4131 with a 72-hour power reserve, it combines precision and luxury. Fitted with an Oysterflex bracelet and Oysterlock clasp, this iconic Daytona is waterproof to 100m and built for both performance and style.This timepiece is comes with its original box and papers.