Rolex Cosmograph Daytona 40 mm

Rolex Cosmograph Daytona 126503-0001 is a chronograph measuring 40 mm across in steel and gold. The case stands 11.9 mm thick and carries a tachymeter bezel in gold, its scale engraved for reading average speed. Sapphire crystal covers the white dial, which shows golden counter rings and luminous hands and indices. Inside is the calibre 4131, a self-winding chronometer movement with a small seconds subdial and chronograph function running via the manufacture Rolex movement. The steel and gold Oyster bracelet closes with a folding Oysterlock safety clasp fitted with an Easylink comfort extension link. Screw-down crown construction helps keep the case waterproof to 100 metres.