Rolex's Oyster Perpetual Sea-Dweller is now available in a yellow Rolesor version, a combination of Oystersteel and 18 K yellow gold. It is equiped with a 60-minute graduated, unidirectional rotatable bezel which enables divers to precisely and safely monitor their dive and decompression times.

The patented black Cerachrom bezel insert manufactured by Rolex is a virtually scratchproof ceramic whose colour is unaffected by ultraviolet rays. The graduation is coated via PVD (Physical Vapour Deposition) with a thin layer of gold. The sleek black dial features large Chromalight hour markers and hands, filled with luminescent material that emits a long-lasting blue glow for excellent legibility in dark conditions.

The black dial of the Sea-Dweller has the large hands and indices reserved for Rolex professional models. The dial bears the name Sea-Dweller inscribed in a yellow hue, echoing the colour of the yellow gold.

When the Sea-Dweller was updated in 2017, this lettering was in red, in reference to the original model. The innovative Chromalight display on the dial pushes back the boundaries of visibility in dark environments. Its distinctive blue glow lasts up to eight hours with a uniform luminosity, practically twice as long as that of standard luminescent materials.