This first series "Fat 4" Submariner with beautifully aged olive green bezel, is proving to be one of the fastest growing investments in the Rolex world. Featuring the rarest, serifed "4" bezel, and 'D1' dial, this example is complete with its original Rolex box warranty certificate and calendar card... Incredibly sought after, these early Anniversary models are getting harder to find in beautiful condition like this and it's only a matter of time before they reach £30k.