Rolex Sea-Dweller 1665 Double Red Writing, vintage 1967. This very rare Rolex Sea-Dweller is one of the very first 1665 models to be produced. With the unique 40mm stainless steel thin case, steel bezel with black insert, plexiglass, replaced double red dial. Powered by a calibre 1570 movement. This particular 1967 model holds a significant place in the history of Vintage Sea-dwellers as this year marks the 50th anniversary of the Sea-Dweller with the launch of the new sea dweller anniversary model Rolex 126600. Our example comes with 7 official Rolex service receipts. 172**** Serial No. with case back stamped 1967.