Rolex Sea-Dweller 43 mm

Rolex Sea-Dweller 43 mm, reference 126603-0001, is a dive watch cased in steel and gold and measuring 43 mm across. A black ceramic bezel with a unidirectional 60-minute scale rings the case, and a helium valve sits alongside the screw-down crown for saturation diving. A sapphire crystal with a Cyclops lens over the date covers the intense black dial, whose hands and indices carry luminous treatment. The self-winding calibre 3235 drives the watch, certified as a chronometer with a power reserve of approximately 70 hours. A steel and gold Oyster bracelet closes with a folding Oysterlock safety clasp fitted with the Glidelock extension system. Rolex rates the case to a depth of 1220 metres.