Rolex Sea-Dweller 126603 43mm Bi/Colour 2021

The Rolex Sea-Dweller 126603 is a powerful fusion of professional dive capability and refined luxury. Featuring a robust 43mm case crafted from corrosion-resistant Oystersteel and 18K yellow gold, this two-tone timepiece is engineered for extreme depths and sophisticated style. The black dial is equipped with large luminescent hour markers and hands for superior underwater legibility, while the unidirectional Cerachrom bezel ensures precise dive timing. Designed to withstand depths of up to 1,220 meters, it includes a helium escape valve and is powered by the Caliber 3235 movement for exceptional precision and endurance. Finished with a solid-link Oyster bracelet, the 126603 brings together technical mastery and opulent detail in a dive watch built for professionals and collectors alike.