The Oyster Perpetual Date in Oystersteel with a Black Cerachrom bezel and a black dial with large luminescent hour markers. It features a unidirectional rotatable bezel with Cerachrom insert and solid-link Oyster bracelet. The latest generation Submariner and Submariner Date remain faithful to the original model launched in 1953. In watchmaking, the Submariner represented a historic turning point; it set the standard for divers’ watches.