One of the best investments money can buy, they always go up just give them time! The iconic stainless steel Cosmograph Daytona, first manufactured in manual wind form with Valjoux movement and plexi glass in 1964. Our modern white dial version ref 116520 houses Rolex's automatic cal 4130 movement, has sapphire crystal glass and is waterproof to 100m. Probably the best watch in the world all things considered.. Complete with Rolex box and papers, original bill of sale and extended warranty from date of purchase.