Rolex Cosmograph Daytona 40 mm

The Rolex Cosmograph Daytona 126518LN-0008 is a 40 mm chronograph in yellow gold. The case measures 11.9 mm thick, with a lug width of 20 mm. A black monobloc Cerachrom ceramic bezel with a moulded tachymetric scale surrounds the black dial with golden counter rings, protected by a scratch-resistant sapphire crystal. Inside is the calibre 4131, a self-winding, perpetual mechanical chronograph with a 72-hour power reserve, certified as a chronometer. The dial has small seconds and a chronograph function, with luminous hands and indices for legibility. The watch is fitted to a rubber Oysterflex bracelet secured by a folding Oysterlock safety clasp in yellow gold with the Glidelock extension system. Rolex rates the case to 100 metres.