Oyster steel Ceramic insert BEZEL Unidirectional rotatable 60-minute graduated, scratch-resistant Cerachrom insert in ceramic, numerals and graduations coated in platinum WATER-RESISTANCE Waterproof to 300 meters / 1,000 feet MOVEMENT Perpetual, mechanical, self-winding CALIBRE 3230, Manufacture Rolex POWER RESERVE Approximately 70 hours BRACELET Oyster, flat three-piece links DIAL Black
BLACK DIAL The dial’s luminescent Chromalight display is an innovation that improved visibility in dark environments, an essential feature for divers. Hour markers in simple shapes – triangles, circles, rectangles – and broad hour and minute hands enable instant and reliable reading to prevent any risk of confusion underwater.
UNIDIRECTIONAL ROTATABLE BEZEL The Submariner's rotatable bezel is a key functionality of the watch. Its 60-minute graduations allow a diver to accurately and safely monitor diving time and decompression stops.
