Form and Function The Submariner series by Rolex has stood as a benchmark for diverswatches since the 1950s. This model, released in 2016, upholds that pioneering heritage, projecting an assured blend of robustness and engineering excellence. Underwater Heritage Its 40mm Oystersteel case houses a black dial and rotating bezel, engineered for underwater precision. Equipped with calibre 3130, the watch offers an automatic movement and approximately 48 hours of power reserve, meeting the demands of exploration both above and below the surface.