Rolex Sea-dweller 16660 MK1 Matte Dial 17 The black dial has 12-3-6-9

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

This incredible No Date Sub houses a stunning dial that is still nice glossy and the hours have taken on a yellow hue

The bezel insert has faded to a lovely blue color

There is no lume on the two-tone salmon dial and the watch is fitted with delicate non-lume blued hands

Rolex Sea-dweller 16660 MK1 Matte Dial 17 The black dial has 12-3-6-9With 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