Rolex Sea-dweller 16660 MK1 Matte Dial 17 The bezel insert has faded

The bezel insert has faded to a lovely blue color

The watch dates to the 1930s and the Movado movement has been fully checked by our watchmaker

proud encircled “T

The black dial has 12-3-6-9 arabic numerals that have taken on a great patina that matches the pencil hands nicely

the original invoice is included and matches the guarantee paperwork

Rolex Sea-dweller 16660 MK1 Matte Dial 17 The bezel insert has fadedWith this Sea Dweller, also nicknamed the Triple Six, Rolex doubled the depth rating to 4,000 ft thanks to its larger helium escape valve and sapphire crystal, compared to its predecessor, reference 1665. Furthermore, Rolex introduced a unidirectional bezel for diver safety, making this Sea Dweller a true transitional model. This example features a rare matte dial, used in the first production batch before Rolex later switched to glossy dials with