The Oyster Perpetual Submariner in Oystersteel with a Cerachrom bezel insert in black ceramic and a black dial with large luminescent hour markers.
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 �C triangles, circles, rectangles �C and broad hour and minute hands enable instant and reliable reading to prevent any risk of confusion underwater.
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.