The Rolex Oyster Perpetual Cosmograph Daytona (ref. 116518) is a sports watch with a 40 mm round case in yellow gold. It has a black dial under sapphire crystal.
It is powered by a self-winding mechanical movement. Features: Tachymeter bezel, screw-down crown, screw-down chronograph pushers, luminescent coating on hands and markers. Water-resistant to 100 m. The watch is fitted with an alligator leather strap with an Oysterlock folding clasp in 18k yellow gold.
This example is pre-owned and in good condition.