Rolex Cosmograph Daytona 40 mm

Rolex Cosmograph Daytona 126503-0003 is a 40 mm chronograph in steel and gold, standing 11.9 mm thick. The fixed bezel carries an engraved tachymetric scale in yellow gold, and the dial sits under a scratch-resistant sapphire crystal. Inside is the calibre 4131, a self-winding, perpetual mechanical chronograph with a 72-hour power reserve. The black dial has golden counter rings, luminous hands and indices, and a small seconds subdial alongside the chronograph counters. Rolex certifies the movement as a Superlative Chronometer. The steel and gold Oyster bracelet closes with a folding Oysterlock safety clasp that includes an Easylink comfort extension link. Waterproofness reaches 100 metres, courtesy of the Triplock screw-down crown.