In perfect crisp condition, this discontinued 116520 Cosmograph Daytona is complete with its full complement of box, Rolex certificate, booklets and even recent Rolex service history. Powered by Rolex's own in-house automatic 4130 calibre movement, this sought-after chronograph is waterproof to 100m. Fitted to the rugged Oyster bracelet with comfy Easy-link adjustment and locking clasp. These watches will be north of £15,000 before the decade is out...