Exceedingly rare Rolex ref. 1665 double red Sea-Dweller “Patent Pending”. Amazing chocolate brown Mark II dial. Case back featuring “Oyster Gas Escape Valve (Patent Pending)”: the very first models of reference 1665 were sold with the case back engraved (Patent Pending) in parenthesis. Just a dream for any collector the present specimen represents one of the rarest Sea-Dweller.
Made in: 1967
Case number: 224xxx
You can read more about the history of this amazing watch at “The Onlyvintage Magazine”