This rare discontinued 18kt white gold Cosmograph Daytona ref. 116509 with highly attractive blue dial, is one of the most sought-after in Rolex's collection. As supply is limited even more, the demand for precious metal Daytona's is as strong as ever. Rolex self-winding calibre 4130, waterproof to 100m & fitted to its hefty solid white gold Oyster bracelet.