NOS Rolex B31A-5513-Y1 "PIP" or Pearl for insert Submariner 5513,1680 Blister

This is a Rolex factory sealed blister B31A-5513-Y1 for vintage Submariner, Sea Dweller dive watches. Very rare to fine genuine "pip" or pearl that mounts in the early Rolex diver bezels. This rare piece comes from the inventory of a former Rolex AD.

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