Gold Souk, Deira
Rolex Sea-Dweller (Black Dial), reference 126603

Rolex

Sea-Dweller (Black Dial)

Ref. 126603

On request

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Case43mm steel & gold
DialBlack
MovementCalibre 3235
BraceletTwo Tone Oyster
Year2023
PapersBox and Papers

The Sea-Dweller line descends from saturation divers of the 1960s, engineered with a helium escape valve for life in pressurised habitats. It is the professional’s Submariner.

This 2023 Rolex Sea-Dweller pairs a 43mm steel & gold case with a black face. Calibre 3235 keeps it running.

Fun fact: Every Royal Oak dial is cut on a rose engine one pass at a time before it is plated, and the eight hexagonal screws in the bezel are aligned by hand at the end of assembly. Both are why the model still costs what it does.

The collection

Sea-Dweller

The saturation diver's Rolex, built around a valve that lets helium out

Rolex created the Sea-Dweller in 1967 for divers working out of pressurised habitats, and improved it afterwards in partnership with Comex. The defining part is not the depth figure but the helium escape valve in the case side, which opens by itself when helium that seeped in during a saturation dive builds up inside the case on the way back to the surface. The 43 mm Sea-Dweller is rated to 1,220 m, runs a unidirectional bezel with a black Cerachrom insert and an Oysterlock clasp with the Glidelock extension, and was the first in the line to take a cyclops over the date; it is made in Oystersteel and in Oystersteel with yellow gold. Rolex now lists the Deepsea as a family of its own, the 44 mm model rated to 3,900 m and built on the Ringlock System case architecture.

Sizes in the family

43 mm Sea-Dweller, with the Deepsea at 44 mm

Who it suits

For the buyer who wants a case built for saturation diving and is comfortable with the thickness that comes with it.

See every Sea-Dweller we have

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