Rolex Sea-dweller 16660 MK1 Matte Dial 1985 This one houses a superb

This one houses a superb grey dial with crisp white text

- Yellow gold case 24 x 30mm

This funky AP comes with both inner and outer boxes

While four-line 6538s were chronometer certified

Rolex Sea-dweller 16660 MK1 Matte Dial 1985 This one houses a superbWith 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