Rolex Sea-dweller 16660 MK1 Matte Dial 1985 -⁠ ⁠Fully checked by our

-⁠ ⁠Fully checked by our watchmaker

Steel chronographs form the 1940s and 50s are some of our favourite watches and not just because they are hot right now

Collectors love a full set watch

This funky AP comes with both inner and outer boxes

This one houses a superb grey dial with crisp white text

Rolex Sea-dweller 16660 MK1 Matte Dial 1985 -⁠ ⁠Fully checked by ourWith 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